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Merged
Abhijeet Prasad (AbhiPrasad) merged 1 commit into from
Apr 20, 2026
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feat(litellm): instrument rerank and arerank #323

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6 changes: 3 additions & 3 deletions py/src/braintrust/integrations/litellm/__init__.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,9 +10,9 @@ def patch_litellm() -> bool:
This wraps litellm.completion, litellm.acompletion, litellm.responses,
litellm.aresponses, litellm.image_generation, litellm.aimage_generation,
litellm.embedding, litellm.aembedding, litellm.moderation,
litellm.speech, litellm.aspeech, litellm.transcription, and
litellm.atranscription to automatically create Braintrust spans with
detailed token metrics, timing, and costs.
litellm.speech, litellm.aspeech, litellm.transcription,
litellm.atranscription, litellm.rerank, and litellm.arerank to automatically
create Braintrust spans with detailed token metrics, timing, and costs.

Returns:
True if LiteLLM was patched (or already patched), False if LiteLLM is not installed.
Expand Down
66 changes: 66 additions & 0 deletions py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_arerank.yaml
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@@ -0,0 +1,66 @@
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69 changes: 69 additions & 0 deletions py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_rerank.yaml
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Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
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66 changes: 66 additions & 0 deletions py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_arerank.yaml
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
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69 changes: 69 additions & 0 deletions py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_rerank.yaml
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
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User-Agent:
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20 changes: 18 additions & 2 deletions py/src/braintrust/integrations/litellm/patchers.py
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Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,15 @@
_acompletion_wrapper_async,
_aembedding_wrapper_async,
_aimage_generation_wrapper_async,
_arerank_wrapper_async,
_aresponses_wrapper_async,
_aspeech_wrapper_async,
_atranscription_wrapper_async,
_completion_wrapper,
_embedding_wrapper,
_image_generation_wrapper,
_moderation_wrapper,
_rerank_wrapper,
_responses_wrapper,
_speech_wrapper,
_transcription_wrapper,
Expand DownExpand Up@@ -104,6 +106,18 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
wrapper = _atranscription_wrapper_async


class LiteLLMRerankPatcher(FunctionWrapperPatcher):
name = "litellm.rerank"
target_path = "rerank"
wrapper = _rerank_wrapper


class LiteLLMArerankPatcher(FunctionWrapperPatcher):
name = "litellm.arerank"
target_path = "arerank"
wrapper = _arerank_wrapper_async


# ---------------------------------------------------------------------------
# All patchers, in declaration order
# ---------------------------------------------------------------------------
Expand All@@ -122,6 +136,8 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
LiteLLMAspeechPatcher,
LiteLLMTranscriptionPatcher,
LiteLLMATranscriptionPatcher,
LiteLLMRerankPatcher,
LiteLLMArerankPatcher,
)


Expand All@@ -138,8 +154,8 @@ def wrap_litellm(litellm: Any) -> Any:
that exposes the same top-level callables such as ``completion``,
``acompletion``, ``responses``, ``aresponses``, ``image_generation``,
``aimage_generation``, ``embedding``, ``aembedding``, ``moderation``,
``speech``, ``aspeech``, ``transcription``, and ``atranscription``).
Each patcher is applied idempotently — calling
``speech``, ``aspeech``, ``transcription``, ``atranscription``,
``rerank``, and ``arerank``). Each patcher is applied idempotently — calling
``wrap_litellm`` twice on the same object is safe.

Args:
Expand Down
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feat(litellm): instrument rerank and arerank by AbhiPrasad · Pull Request #323 · braintrustdata/braintrust-sdk-python · GitHub
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feat(litellm): instrument rerank and arerank#323

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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

from

Apr 20, 2026
 Merged


feat(litellm): instrument rerank and arerank
#323
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6 changes: 3 additions & 3 deletions
py/src/braintrust/integrations/litellm/__init__.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,9 +10,9 @@ def patch_litellm() -> bool:
 This wraps litellm.completion, litellm.acompletion, litellm.responses,
 litellm.aresponses, litellm.image_generation, litellm.aimage_generation,
 litellm.embedding, litellm.aembedding, litellm.moderation,
 litellm.speech, litellm.aspeech, litellm.transcription, and
 litellm.atranscription to automatically create Braintrust spans with
 detailed token metrics, timing, and costs.
 litellm.speech, litellm.aspeech, litellm.transcription,
 litellm.atranscription, litellm.rerank, and litellm.arerank to automatically
create Braintrust spans with detailed token metrics, timing, and costs.

 Returns:
 True if LiteLLM was patched (or already patched), False if LiteLLM is not installed.
Expand Down

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
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 response:
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69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
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version: 1

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
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 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
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 true}'
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 Connection:
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 User-Agent:
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 - '9'
 status:
 code: 200
 message: OK
version: 1

20 changes: 18 additions & 2 deletions
py/src/braintrust/integrations/litellm/patchers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,15 @@
 _acompletion_wrapper_async,
 _aembedding_wrapper_async,
 _aimage_generation_wrapper_async,
 _arerank_wrapper_async,
 _aresponses_wrapper_async,
 _aspeech_wrapper_async,
 _atranscription_wrapper_async,
 _completion_wrapper,
 _embedding_wrapper,
 _image_generation_wrapper,
 _moderation_wrapper,
 _rerank_wrapper,
 _responses_wrapper,
 _speech_wrapper,
 _transcription_wrapper,
Expand DownExpand Up@@ -104,6 +106,18 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 wrapper = _atranscription_wrapper_async


class LiteLLMRerankPatcher(FunctionWrapperPatcher):
 name = "litellm.rerank"
 target_path = "rerank"
 wrapper = _rerank_wrapper


class LiteLLMArerankPatcher(FunctionWrapperPatcher):
 name = "litellm.arerank"
 target_path = "arerank"
 wrapper = _arerank_wrapper_async


# ---------------------------------------------------------------------------
# All patchers, in declaration order
# ---------------------------------------------------------------------------
Expand All@@ -122,6 +136,8 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 LiteLLMAspeechPatcher,
 LiteLLMTranscriptionPatcher,
 LiteLLMATranscriptionPatcher,
 LiteLLMRerankPatcher,
 LiteLLMArerankPatcher,
)


Expand All@@ -138,8 +154,8 @@ def wrap_litellm(litellm: Any) -> Any:
 that exposes the same top-level callables such as ``completion``,
 ``acompletion``, ``responses``, ``aresponses``, ``image_generation``,
 ``aimage_generation``, ``embedding``, ``aembedding``, ``moderation``,
 ``speech``, ``aspeech``, ``transcription``, and ``atranscription``).
 Each patcher is applied idempotently — calling
 ``speech``, ``aspeech``, ``transcription``, ``atranscription``,
``rerank``, and ``arerank``). Each patcher is applied idempotently — calling
 ``wrap_litellm`` twice on the same object is safe.

 Args:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
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var style = document.createElement('style');
style.textContent = '
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var __re = new RegExp('^' + ".*" + '
feat(litellm): instrument rerank and arerank by AbhiPrasad · Pull Request #323 · braintrustdata/braintrust-sdk-python · GitHub
Skip to content
feat(litellm): instrument rerank and arerank#323

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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

from

Apr 20, 2026
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feat(litellm): instrument rerank and arerank
#323
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6 changes: 3 additions & 3 deletions
py/src/braintrust/integrations/litellm/__init__.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,9 +10,9 @@ def patch_litellm() -> bool:
 This wraps litellm.completion, litellm.acompletion, litellm.responses,
 litellm.aresponses, litellm.image_generation, litellm.aimage_generation,
 litellm.embedding, litellm.aembedding, litellm.moderation,
 litellm.speech, litellm.aspeech, litellm.transcription, and
 litellm.atranscription to automatically create Braintrust spans with
 detailed token metrics, timing, and costs.
 litellm.speech, litellm.aspeech, litellm.transcription,
 litellm.atranscription, litellm.rerank, and litellm.arerank to automatically
create Braintrust spans with detailed token metrics, timing, and costs.

 Returns:
 True if LiteLLM was patched (or already patched), False if LiteLLM is not installed.
Expand Down

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_arerank.yaml

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
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 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '6'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
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 Host:
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 User-Agent:
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 status:
 code: 200
 message: OK
version: 1

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
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 - api.cohere.com
 user-agent:
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 method: POST
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 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.83.9
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
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 cache-control:
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 content-length:
 - '325'
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 - application/json
 date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
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 - envoy
 vary:
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 - '9'
 status:
 code: 200
 message: OK
version: 1

20 changes: 18 additions & 2 deletions
py/src/braintrust/integrations/litellm/patchers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,15 @@
 _acompletion_wrapper_async,
 _aembedding_wrapper_async,
 _aimage_generation_wrapper_async,
 _arerank_wrapper_async,
 _aresponses_wrapper_async,
 _aspeech_wrapper_async,
 _atranscription_wrapper_async,
 _completion_wrapper,
 _embedding_wrapper,
 _image_generation_wrapper,
 _moderation_wrapper,
 _rerank_wrapper,
 _responses_wrapper,
 _speech_wrapper,
 _transcription_wrapper,
Expand DownExpand Up@@ -104,6 +106,18 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 wrapper = _atranscription_wrapper_async


class LiteLLMRerankPatcher(FunctionWrapperPatcher):
 name = "litellm.rerank"
 target_path = "rerank"
 wrapper = _rerank_wrapper


class LiteLLMArerankPatcher(FunctionWrapperPatcher):
 name = "litellm.arerank"
 target_path = "arerank"
 wrapper = _arerank_wrapper_async


# ---------------------------------------------------------------------------
# All patchers, in declaration order
# ---------------------------------------------------------------------------
Expand All@@ -122,6 +136,8 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 LiteLLMAspeechPatcher,
 LiteLLMTranscriptionPatcher,
 LiteLLMATranscriptionPatcher,
 LiteLLMRerankPatcher,
 LiteLLMArerankPatcher,
)


Expand All@@ -138,8 +154,8 @@ def wrap_litellm(litellm: Any) -> Any:
 that exposes the same top-level callables such as ``completion``,
 ``acompletion``, ``responses``, ``aresponses``, ``image_generation``,
 ``aimage_generation``, ``embedding``, ``aembedding``, ``moderation``,
 ``speech``, ``aspeech``, ``transcription``, and ``atranscription``).
 Each patcher is applied idempotently — calling
 ``speech``, ``aspeech``, ``transcription``, ``atranscription``,
``rerank``, and ``arerank``). Each patcher is applied idempotently — calling
 ``wrap_litellm`` twice on the same object is safe.

 Args:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
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var style = document.createElement('style');
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var frag = document.createDocumentFragment();
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parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
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span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
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});
} else if (node.nodeType === 1 && node.childNodes) { // element
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Array.from(node.childNodes).forEach(highlight);
}
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highlight(document.body);
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observer.observe(document.body, { childList: true, subtree: true });
})();
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} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
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try {
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var __re = new RegExp('^' + ".*" + '
feat(litellm): instrument rerank and arerank by AbhiPrasad · Pull Request #323 · braintrustdata/braintrust-sdk-python · GitHub
Skip to content
feat(litellm): instrument rerank and arerank#323

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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

from

Apr 20, 2026
 Merged


feat(litellm): instrument rerank and arerank
#323
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6 changes: 3 additions & 3 deletions
py/src/braintrust/integrations/litellm/__init__.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,9 +10,9 @@ def patch_litellm() -> bool:
 This wraps litellm.completion, litellm.acompletion, litellm.responses,
 litellm.aresponses, litellm.image_generation, litellm.aimage_generation,
 litellm.embedding, litellm.aembedding, litellm.moderation,
 litellm.speech, litellm.aspeech, litellm.transcription, and
 litellm.atranscription to automatically create Braintrust spans with
 detailed token metrics, timing, and costs.
 litellm.speech, litellm.aspeech, litellm.transcription,
 litellm.atranscription, litellm.rerank, and litellm.arerank to automatically
create Braintrust spans with detailed token metrics, timing, and costs.

 Returns:
 True if LiteLLM was patched (or already patched), False if LiteLLM is not installed.
Expand Down

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
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 - application/json
 accept-encoding:
 - gzip, deflate
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 host:
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 user-agent:
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 response:
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version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
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 cache-control:
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 expires:
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 code: 200
 message: OK
version: 1

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_arerank.yaml

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.83.9
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"b4fc3614-84e1-45dd-b25b-0df18ac97c42","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - f5289934ddbfbfd8159d196057195750
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '52'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '8'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.83.9
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"fde09c2d-737b-4dad-85e8-2b45117bfda9","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - ebee84a767d62a871bf19f9a5dbbe14f
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '62'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '9'
 status:
 code: 200
 message: OK
version: 1

20 changes: 18 additions & 2 deletions
py/src/braintrust/integrations/litellm/patchers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,15 @@
 _acompletion_wrapper_async,
 _aembedding_wrapper_async,
 _aimage_generation_wrapper_async,
 _arerank_wrapper_async,
 _aresponses_wrapper_async,
 _aspeech_wrapper_async,
 _atranscription_wrapper_async,
 _completion_wrapper,
 _embedding_wrapper,
 _image_generation_wrapper,
 _moderation_wrapper,
 _rerank_wrapper,
 _responses_wrapper,
 _speech_wrapper,
 _transcription_wrapper,
Expand DownExpand Up@@ -104,6 +106,18 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 wrapper = _atranscription_wrapper_async


class LiteLLMRerankPatcher(FunctionWrapperPatcher):
 name = "litellm.rerank"
 target_path = "rerank"
 wrapper = _rerank_wrapper


class LiteLLMArerankPatcher(FunctionWrapperPatcher):
 name = "litellm.arerank"
 target_path = "arerank"
 wrapper = _arerank_wrapper_async


# ---------------------------------------------------------------------------
# All patchers, in declaration order
# ---------------------------------------------------------------------------
Expand All@@ -122,6 +136,8 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 LiteLLMAspeechPatcher,
 LiteLLMTranscriptionPatcher,
 LiteLLMATranscriptionPatcher,
 LiteLLMRerankPatcher,
 LiteLLMArerankPatcher,
)


Expand All@@ -138,8 +154,8 @@ def wrap_litellm(litellm: Any) -> Any:
 that exposes the same top-level callables such as ``completion``,
 ``acompletion``, ``responses``, ``aresponses``, ``image_generation``,
 ``aimage_generation``, ``embedding``, ``aembedding``, ``moderation``,
 ``speech``, ``aspeech``, ``transcription``, and ``atranscription``).
 Each patcher is applied idempotently — calling
 ``speech``, ``aspeech``, ``transcription``, ``atranscription``,
``rerank``, and ``arerank``). Each patcher is applied idempotently — calling
 ``wrap_litellm`` twice on the same object is safe.

 Args:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
feat(litellm): instrument rerank and arerank by AbhiPrasad · Pull Request #323 · braintrustdata/braintrust-sdk-python · GitHub
Skip to content
feat(litellm): instrument rerank and arerank#323

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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

from

Apr 20, 2026
 Merged


feat(litellm): instrument rerank and arerank
#323
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6 changes: 3 additions & 3 deletions
py/src/braintrust/integrations/litellm/__init__.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,9 +10,9 @@ def patch_litellm() -> bool:
 This wraps litellm.completion, litellm.acompletion, litellm.responses,
 litellm.aresponses, litellm.image_generation, litellm.aimage_generation,
 litellm.embedding, litellm.aembedding, litellm.moderation,
 litellm.speech, litellm.aspeech, litellm.transcription, and
 litellm.atranscription to automatically create Braintrust spans with
 detailed token metrics, timing, and costs.
 litellm.speech, litellm.aspeech, litellm.transcription,
 litellm.atranscription, litellm.rerank, and litellm.arerank to automatically
create Braintrust spans with detailed token metrics, timing, and costs.

 Returns:
 True if LiteLLM was patched (or already patched), False if LiteLLM is not installed.
Expand Down

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.74.0
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"e38c517d-0707-49b8-ab1a-b0a43fec4e56","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:43:22 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - 1f986766371c39aa1748d236c7d008ff
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '6'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.74.0
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"bd2ffb0d-cd14-42b7-b965-ab82102c52e0","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:43:22 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - 59996465b49810f59a7c2f5da2745364
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '7'
 status:
 code: 200
 message: OK
version: 1

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.83.9
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"b4fc3614-84e1-45dd-b25b-0df18ac97c42","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - f5289934ddbfbfd8159d196057195750
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '52'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '8'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.83.9
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"fde09c2d-737b-4dad-85e8-2b45117bfda9","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - ebee84a767d62a871bf19f9a5dbbe14f
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '62'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '9'
 status:
 code: 200
 message: OK
version: 1

20 changes: 18 additions & 2 deletions
py/src/braintrust/integrations/litellm/patchers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,15 @@
 _acompletion_wrapper_async,
 _aembedding_wrapper_async,
 _aimage_generation_wrapper_async,
 _arerank_wrapper_async,
 _aresponses_wrapper_async,
 _aspeech_wrapper_async,
 _atranscription_wrapper_async,
 _completion_wrapper,
 _embedding_wrapper,
 _image_generation_wrapper,
 _moderation_wrapper,
 _rerank_wrapper,
 _responses_wrapper,
 _speech_wrapper,
 _transcription_wrapper,
Expand DownExpand Up@@ -104,6 +106,18 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 wrapper = _atranscription_wrapper_async


class LiteLLMRerankPatcher(FunctionWrapperPatcher):
 name = "litellm.rerank"
 target_path = "rerank"
 wrapper = _rerank_wrapper


class LiteLLMArerankPatcher(FunctionWrapperPatcher):
 name = "litellm.arerank"
 target_path = "arerank"
 wrapper = _arerank_wrapper_async


# ---------------------------------------------------------------------------
# All patchers, in declaration order
# ---------------------------------------------------------------------------
Expand All@@ -122,6 +136,8 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 LiteLLMAspeechPatcher,
 LiteLLMTranscriptionPatcher,
 LiteLLMATranscriptionPatcher,
 LiteLLMRerankPatcher,
 LiteLLMArerankPatcher,
)


Expand All@@ -138,8 +154,8 @@ def wrap_litellm(litellm: Any) -> Any:
 that exposes the same top-level callables such as ``completion``,
 ``acompletion``, ``responses``, ``aresponses``, ``image_generation``,
 ``aimage_generation``, ``embedding``, ``aembedding``, ``moderation``,
 ``speech``, ``aspeech``, ``transcription``, and ``atranscription``).
 Each patcher is applied idempotently — calling
 ``speech``, ``aspeech``, ``transcription``, ``atranscription``,
``rerank``, and ``arerank``). Each patcher is applied idempotently — calling
 ``wrap_litellm`` twice on the same object is safe.

 Args:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
feat(litellm): instrument rerank and arerank by AbhiPrasad · Pull Request #323 · braintrustdata/braintrust-sdk-python · GitHub
Skip to content
feat(litellm): instrument rerank and arerank#323

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

from

Apr 20, 2026
 Merged


feat(litellm): instrument rerank and arerank
#323
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6 changes: 3 additions & 3 deletions
py/src/braintrust/integrations/litellm/__init__.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,9 +10,9 @@ def patch_litellm() -> bool:
 This wraps litellm.completion, litellm.acompletion, litellm.responses,
 litellm.aresponses, litellm.image_generation, litellm.aimage_generation,
 litellm.embedding, litellm.aembedding, litellm.moderation,
 litellm.speech, litellm.aspeech, litellm.transcription, and
 litellm.atranscription to automatically create Braintrust spans with
 detailed token metrics, timing, and costs.
 litellm.speech, litellm.aspeech, litellm.transcription,
 litellm.atranscription, litellm.rerank, and litellm.arerank to automatically
create Braintrust spans with detailed token metrics, timing, and costs.

 Returns:
 True if LiteLLM was patched (or already patched), False if LiteLLM is not installed.
Expand Down

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.74.0
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"e38c517d-0707-49b8-ab1a-b0a43fec4e56","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:43:22 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - 1f986766371c39aa1748d236c7d008ff
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '6'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_rerank.yaml

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.74.0
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"bd2ffb0d-cd14-42b7-b965-ab82102c52e0","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:43:22 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - 59996465b49810f59a7c2f5da2745364
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '7'
 status:
 code: 200
 message: OK
version: 1

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_arerank.yaml

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.83.9
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"b4fc3614-84e1-45dd-b25b-0df18ac97c42","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - f5289934ddbfbfd8159d196057195750
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '52'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '8'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.83.9
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"fde09c2d-737b-4dad-85e8-2b45117bfda9","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - ebee84a767d62a871bf19f9a5dbbe14f
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '62'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '9'
 status:
 code: 200
 message: OK
version: 1

20 changes: 18 additions & 2 deletions
py/src/braintrust/integrations/litellm/patchers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,15 @@
 _acompletion_wrapper_async,
 _aembedding_wrapper_async,
 _aimage_generation_wrapper_async,
 _arerank_wrapper_async,
 _aresponses_wrapper_async,
 _aspeech_wrapper_async,
 _atranscription_wrapper_async,
 _completion_wrapper,
 _embedding_wrapper,
 _image_generation_wrapper,
 _moderation_wrapper,
 _rerank_wrapper,
 _responses_wrapper,
 _speech_wrapper,
 _transcription_wrapper,
Expand DownExpand Up@@ -104,6 +106,18 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 wrapper = _atranscription_wrapper_async


class LiteLLMRerankPatcher(FunctionWrapperPatcher):
 name = "litellm.rerank"
 target_path = "rerank"
 wrapper = _rerank_wrapper


class LiteLLMArerankPatcher(FunctionWrapperPatcher):
 name = "litellm.arerank"
 target_path = "arerank"
 wrapper = _arerank_wrapper_async


# ---------------------------------------------------------------------------
# All patchers, in declaration order
# ---------------------------------------------------------------------------
Expand All@@ -122,6 +136,8 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 LiteLLMAspeechPatcher,
 LiteLLMTranscriptionPatcher,
 LiteLLMATranscriptionPatcher,
 LiteLLMRerankPatcher,
 LiteLLMArerankPatcher,
)


Expand All@@ -138,8 +154,8 @@ def wrap_litellm(litellm: Any) -> Any:
 that exposes the same top-level callables such as ``completion``,
 ``acompletion``, ``responses``, ``aresponses``, ``image_generation``,
 ``aimage_generation``, ``embedding``, ``aembedding``, ``moderation``,
 ``speech``, ``aspeech``, ``transcription``, and ``atranscription``).
 Each patcher is applied idempotently — calling
 ``speech``, ``aspeech``, ``transcription``, ``atranscription``,
``rerank``, and ``arerank``). Each patcher is applied idempotently — calling
 ``wrap_litellm`` twice on the same object is safe.

 Args:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
feat(litellm): instrument rerank and arerank by AbhiPrasad · Pull Request #323 · braintrustdata/braintrust-sdk-python · GitHub
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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

from

Apr 20, 2026
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feat(litellm): instrument rerank and arerank
#323
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6 changes: 3 additions & 3 deletions
py/src/braintrust/integrations/litellm/__init__.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,9 +10,9 @@ def patch_litellm() -> bool:
 This wraps litellm.completion, litellm.acompletion, litellm.responses,
 litellm.aresponses, litellm.image_generation, litellm.aimage_generation,
 litellm.embedding, litellm.aembedding, litellm.moderation,
 litellm.speech, litellm.aspeech, litellm.transcription, and
 litellm.atranscription to automatically create Braintrust spans with
 detailed token metrics, timing, and costs.
 litellm.speech, litellm.aspeech, litellm.transcription,
 litellm.atranscription, litellm.rerank, and litellm.arerank to automatically
create Braintrust spans with detailed token metrics, timing, and costs.

 Returns:
 True if LiteLLM was patched (or already patched), False if LiteLLM is not installed.
Expand Down

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.74.0
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"e38c517d-0707-49b8-ab1a-b0a43fec4e56","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:43:22 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - 1f986766371c39aa1748d236c7d008ff
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '6'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.74.0
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"bd2ffb0d-cd14-42b7-b965-ab82102c52e0","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:43:22 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - 59996465b49810f59a7c2f5da2745364
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '7'
 status:
 code: 200
 message: OK
version: 1

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_arerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.83.9
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"b4fc3614-84e1-45dd-b25b-0df18ac97c42","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - f5289934ddbfbfd8159d196057195750
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '52'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '8'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_rerank.yaml

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.83.9
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"fde09c2d-737b-4dad-85e8-2b45117bfda9","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - ebee84a767d62a871bf19f9a5dbbe14f
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '62'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '9'
 status:
 code: 200
 message: OK
version: 1

20 changes: 18 additions & 2 deletions
py/src/braintrust/integrations/litellm/patchers.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,15 @@
 _acompletion_wrapper_async,
 _aembedding_wrapper_async,
 _aimage_generation_wrapper_async,
 _arerank_wrapper_async,
 _aresponses_wrapper_async,
 _aspeech_wrapper_async,
 _atranscription_wrapper_async,
 _completion_wrapper,
 _embedding_wrapper,
 _image_generation_wrapper,
 _moderation_wrapper,
 _rerank_wrapper,
 _responses_wrapper,
 _speech_wrapper,
 _transcription_wrapper,
Expand DownExpand Up@@ -104,6 +106,18 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 wrapper = _atranscription_wrapper_async


class LiteLLMRerankPatcher(FunctionWrapperPatcher):
 name = "litellm.rerank"
 target_path = "rerank"
 wrapper = _rerank_wrapper


class LiteLLMArerankPatcher(FunctionWrapperPatcher):
 name = "litellm.arerank"
 target_path = "arerank"
 wrapper = _arerank_wrapper_async


# ---------------------------------------------------------------------------
# All patchers, in declaration order
# ---------------------------------------------------------------------------
Expand All@@ -122,6 +136,8 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 LiteLLMAspeechPatcher,
 LiteLLMTranscriptionPatcher,
 LiteLLMATranscriptionPatcher,
 LiteLLMRerankPatcher,
 LiteLLMArerankPatcher,
)


Expand All@@ -138,8 +154,8 @@ def wrap_litellm(litellm: Any) -> Any:
 that exposes the same top-level callables such as ``completion``,
 ``acompletion``, ``responses``, ``aresponses``, ``image_generation``,
 ``aimage_generation``, ``embedding``, ``aembedding``, ``moderation``,
 ``speech``, ``aspeech``, ``transcription``, and ``atranscription``).
 Each patcher is applied idempotently — calling
 ``speech``, ``aspeech``, ``transcription``, ``atranscription``,
``rerank``, and ``arerank``). Each patcher is applied idempotently — calling
 ``wrap_litellm`` twice on the same object is safe.

 Args:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
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filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
feat(litellm): instrument rerank and arerank by AbhiPrasad · Pull Request #323 · braintrustdata/braintrust-sdk-python · GitHub
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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

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Apr 20, 2026
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feat(litellm): instrument rerank and arerank
#323
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6 changes: 3 additions & 3 deletions
py/src/braintrust/integrations/litellm/__init__.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,9 +10,9 @@ def patch_litellm() -> bool:
 This wraps litellm.completion, litellm.acompletion, litellm.responses,
 litellm.aresponses, litellm.image_generation, litellm.aimage_generation,
 litellm.embedding, litellm.aembedding, litellm.moderation,
 litellm.speech, litellm.aspeech, litellm.transcription, and
 litellm.atranscription to automatically create Braintrust spans with
 detailed token metrics, timing, and costs.
 litellm.speech, litellm.aspeech, litellm.transcription,
 litellm.atranscription, litellm.rerank, and litellm.arerank to automatically
create Braintrust spans with detailed token metrics, timing, and costs.

 Returns:
 True if LiteLLM was patched (or already patched), False if LiteLLM is not installed.
Expand Down

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_arerank.yaml

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.74.0
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"e38c517d-0707-49b8-ab1a-b0a43fec4e56","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:43:22 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - 1f986766371c39aa1748d236c7d008ff
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '6'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/1.74.0/test_litellm_rerank.yaml

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.74.0
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"bd2ffb0d-cd14-42b7-b965-ab82102c52e0","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:43:22 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - 59996465b49810f59a7c2f5da2745364
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '59'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '7'
 status:
 code: 200
 message: OK
version: 1

66 changes: 66 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_arerank.yaml

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,66 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."]}'
 headers:
 accept:
 - application/json
 accept-encoding:
 - gzip, deflate
 connection:
 - keep-alive
 content-length:
 - '209'
 content-type:
 - application/json
 host:
 - api.cohere.com
 user-agent:
 - litellm/1.83.9
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"b4fc3614-84e1-45dd-b25b-0df18ac97c42","results":[{"index":0,"relevance_score":0.99914074},{"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Access-Control-Expose-Headers:
 - X-Debug-Trace-ID
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Cache-Control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 Content-Type:
 - application/json
 Date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 Expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 Pragma:
 - no-cache
 Server:
 - envoy
 Transfer-Encoding:
 - chunked
 Vary:
 - Origin,Accept-Encoding
 Via:
 - 1.1 google
 content-length:
 - '215'
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - f5289934ddbfbfd8159d196057195750
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '52'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '8'
 status:
 code: 200
 message: OK
version: 1

69 changes: 69 additions & 0 deletions
py/src/braintrust/integrations/litellm/cassettes/latest/test_litellm_rerank.yaml

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
interactions:
- request:
 body: '{"model": "rerank-english-v3.0", "query": "What is the capital of France?",
 "top_n": 2, "documents": ["Paris is the capital of France.", "Berlin is the
 capital of Germany.", "Madrid is the capital of Spain."], "return_documents":
 true}'
 headers:
 Accept-Encoding:
 - gzip, deflate
 Connection:
 - keep-alive
 Content-Length:
 - '235'
 Host:
 - api.cohere.com
 User-Agent:
 - litellm/1.83.9
 accept:
 - application/json
 content-type:
 - application/json
 method: POST
 uri: https://api.cohere.com/v2/rerank
 response:
 body:
 string: '{"id":"fde09c2d-737b-4dad-85e8-2b45117bfda9","results":[{"document":{"text":"Paris
 is the capital of France."},"index":0,"relevance_score":0.99914074},{"document":{"text":"Berlin
 is the capital of Germany."},"index":1,"relevance_score":0.00090044667}],"meta":{"api_version":{"version":"2"},"billed_units":{"search_units":1}}}'
 headers:
 Alt-Svc:
 - h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Transfer-Encoding:
 - chunked
 Via:
 - 1.1 google
 access-control-expose-headers:
 - X-Debug-Trace-ID
 cache-control:
 - no-cache, no-store, no-transform, must-revalidate, private, max-age=0
 content-length:
 - '325'
 content-type:
 - application/json
 date:
 - Fri, 17 Apr 2026 16:42:57 GMT
 expires:
 - Thu, 01 Jan 1970 00:00:00 GMT
 pragma:
 - no-cache
 server:
 - envoy
 vary:
 - Origin,Accept-Encoding
 x-accel-expires:
 - '0'
 x-debug-trace-id:
 - ebee84a767d62a871bf19f9a5dbbe14f
 x-endpoint-monthly-call-limit:
 - '1000'
 x-envoy-upstream-service-time:
 - '62'
 x-trial-endpoint-call-limit:
 - '10'
 x-trial-endpoint-call-remaining:
 - '9'
 status:
 code: 200
 message: OK
version: 1

20 changes: 18 additions & 2 deletions
py/src/braintrust/integrations/litellm/patchers.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,15 @@
 _acompletion_wrapper_async,
 _aembedding_wrapper_async,
 _aimage_generation_wrapper_async,
 _arerank_wrapper_async,
 _aresponses_wrapper_async,
 _aspeech_wrapper_async,
 _atranscription_wrapper_async,
 _completion_wrapper,
 _embedding_wrapper,
 _image_generation_wrapper,
 _moderation_wrapper,
 _rerank_wrapper,
 _responses_wrapper,
 _speech_wrapper,
 _transcription_wrapper,
Expand DownExpand Up@@ -104,6 +106,18 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 wrapper = _atranscription_wrapper_async


class LiteLLMRerankPatcher(FunctionWrapperPatcher):
 name = "litellm.rerank"
 target_path = "rerank"
 wrapper = _rerank_wrapper


class LiteLLMArerankPatcher(FunctionWrapperPatcher):
 name = "litellm.arerank"
 target_path = "arerank"
 wrapper = _arerank_wrapper_async


# ---------------------------------------------------------------------------
# All patchers, in declaration order
# ---------------------------------------------------------------------------
Expand All@@ -122,6 +136,8 @@ class LiteLLMATranscriptionPatcher(FunctionWrapperPatcher):
 LiteLLMAspeechPatcher,
 LiteLLMTranscriptionPatcher,
 LiteLLMATranscriptionPatcher,
 LiteLLMRerankPatcher,
 LiteLLMArerankPatcher,
)


Expand All@@ -138,8 +154,8 @@ def wrap_litellm(litellm: Any) -> Any:
 that exposes the same top-level callables such as ``completion``,
 ``acompletion``, ``responses``, ``aresponses``, ``image_generation``,
 ``aimage_generation``, ``embedding``, ``aembedding``, ``moderation``,
 ``speech``, ``aspeech``, ``transcription``, and ``atranscription``).
 Each patcher is applied idempotently — calling
 ``speech``, ``aspeech``, ``transcription``, ``atranscription``,
``rerank``, and ``arerank``). Each patcher is applied idempotently — calling
 ``wrap_litellm`` twice on the same object is safe.

 Args:
Expand Down
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