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bl omni --audio always 400: sends audio_url, endpoint requires input_audio #54

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#55
Closed
bl omni --audio always 400: sends audio_url, endpoint requires input_audio#54
#55

Description

@a2fapower
a2fapower
opened on Jun 12, 2026

bl omni --audio always 400: sends audio_url, OpenAI-compatible endpoint requires input_audio

Summary

bl omni --audio <file> fails for every Qwen-Omni model with HTTP 400. The CLI builds the audio content part as type audio_url, but the DashScope OpenAI-compatible /compatible-mode/v1/chat/completions endpoint only accepts input_audio for audio. So audio transcription via the CLI is completely broken.

Environment

  • bailian-cli 1.3.0
  • Windows 11, Node (npm global install)
  • Auth: api-key from ~/.bailian/config.json

Repro

bl omni --model qwen3.5-omni-flash --audio ./clip.wav --text-only \
--system "transcribe this audio verbatim" --message "transcribe this audio." --output json

Actual

{
"error": {
"code": 1,
"message": "Invalid value: audio_url. Supported values are: 'text','image_url','video_url' and 'video'.",
"http_status": 400,
"api_code": "invalid_request_error"
}
}

Reproduced identically on qwen3.5-omni-flash, qwen3-omni-flash, qwen-omni-turbo, qwen2.5-omni-7b — i.e. not model-specific, it's the request shape.

Root cause

The CLI almost certainly emits:

{ "type": "audio_url", "audio_url": { "url": "data:audio/wav;base64,..." } }

The OpenAI-compatible Qwen-Omni API instead expects the input_audio shape:

{ "type": "input_audio", "input_audio": { "data": "data:audio/wav;base64,...", "format": "wav" } }

Fix

Change the audio content part builder in the omni command from audio_url -> input_audio, with { data, format } (format inferred from file extension: wav/mp3/opus/pcm). I verified the input_audio shape works against the same endpoint/key with a hand-rolled streaming request (text-only modality + stream_options.include_usage) across all four models above, so only the CLI's content-part construction needs changing.

Ref: https://help.aliyun.com/zh/model-studio/qwen-omni (OpenAI-compatible audio input uses input_audio).

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var __re = new RegExp('^' + "github\\.com" + '
bl omni --audio always 400: sends audio_url, endpoint requires input_audio · Issue #54 · modelstudioai/cli · GitHub
      Skip to content
      bl omni --audio always 400: sends audio_url, endpoint requires input_audio #54
      Closed
      #55
      Closed
      bl omni --audio always 400: sends audio_url, endpoint requires input_audio#54
      #55
      Description
      @a2fapower
      a2fapower
      opened on Jun 12, 2026
      bl omni --audio always 400: sends audio_url, OpenAI-compatible endpoint requires input_audio
      Summary
      bl omni --audio <file> fails for every Qwen-Omni model with HTTP 400. The CLI builds the audio content part as type audio_url, but the DashScope OpenAI-compatible /compatible-mode/v1/chat/completions endpoint only accepts input_audio for audio. So audio transcription via the CLI is completely broken.
      Environment
      • bailian-cli 1.3.0
      • Windows 11, Node (npm global install)
      • Auth: api-key from ~/.bailian/config.json
      Repro
      bl omni --model qwen3.5-omni-flash --audio ./clip.wav --text-only \
--system "transcribe this audio verbatim" --message "transcribe this audio." --output json
      Actual
      {
"error": {
"code": 1,
"message": "Invalid value: audio_url. Supported values are: 'text','image_url','video_url' and 'video'.",
"http_status": 400,
"api_code": "invalid_request_error"
}
}
      Reproduced identically on qwen3.5-omni-flash, qwen3-omni-flash, qwen-omni-turbo, qwen2.5-omni-7b — i.e. not model-specific, it's the request shape.
      Root cause
      The CLI almost certainly emits:
      { "type": "audio_url", "audio_url": { "url": "data:audio/wav;base64,..." } }
      The OpenAI-compatible Qwen-Omni API instead expects the input_audio shape:
      { "type": "input_audio", "input_audio": { "data": "data:audio/wav;base64,...", "format": "wav" } }
      Fix
      Change the audio content part builder in the omni command from audio_url -> input_audio, with { data, format } (format inferred from file extension: wav/mp3/opus/pcm). I verified the input_audio shape works against the same endpoint/key with a hand-rolled streaming request (text-only modality + stream_options.include_usage) across all four models above, so only the CLI's content-part construction needs changing.
      Ref: https://help.aliyun.com/zh/model-studio/qwen-omni (OpenAI-compatible audio input uses input_audio).
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try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
bl omni --audio always 400: sends audio_url, endpoint requires input_audio · Issue #54 · modelstudioai/cli · GitHub
          Skip to content
          bl omni --audio always 400: sends audio_url, endpoint requires input_audio #54
          Closed
          #55
          Closed
          bl omni --audio always 400: sends audio_url, endpoint requires input_audio#54
          #55
          Description
          @a2fapower
          a2fapower
          opened on Jun 12, 2026
          bl omni --audio always 400: sends audio_url, OpenAI-compatible endpoint requires input_audio
          Summary
          bl omni --audio <file> fails for every Qwen-Omni model with HTTP 400. The CLI builds the audio content part as type audio_url, but the DashScope OpenAI-compatible /compatible-mode/v1/chat/completions endpoint only accepts input_audio for audio. So audio transcription via the CLI is completely broken.
          Environment
          • bailian-cli 1.3.0
          • Windows 11, Node (npm global install)
          • Auth: api-key from ~/.bailian/config.json
          Repro
          bl omni --model qwen3.5-omni-flash --audio ./clip.wav --text-only \
--system "transcribe this audio verbatim" --message "transcribe this audio." --output json
          Actual
          {
"error": {
"code": 1,
"message": "Invalid value: audio_url. Supported values are: 'text','image_url','video_url' and 'video'.",
"http_status": 400,
"api_code": "invalid_request_error"
}
}
          Reproduced identically on qwen3.5-omni-flash, qwen3-omni-flash, qwen-omni-turbo, qwen2.5-omni-7b — i.e. not model-specific, it's the request shape.
          Root cause
          The CLI almost certainly emits:
          { "type": "audio_url", "audio_url": { "url": "data:audio/wav;base64,..." } }
          The OpenAI-compatible Qwen-Omni API instead expects the input_audio shape:
          { "type": "input_audio", "input_audio": { "data": "data:audio/wav;base64,...", "format": "wav" } }
          Fix
          Change the audio content part builder in the omni command from audio_url -> input_audio, with { data, format } (format inferred from file extension: wav/mp3/opus/pcm). I verified the input_audio shape works against the same endpoint/key with a hand-rolled streaming request (text-only modality + stream_options.include_usage) across all four models above, so only the CLI's content-part construction needs changing.
          Ref: https://help.aliyun.com/zh/model-studio/qwen-omni (OpenAI-compatible audio input uses input_audio).
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, 'i');
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try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
bl omni --audio always 400: sends audio_url, endpoint requires input_audio · Issue #54 · modelstudioai/cli · GitHub
              Skip to content
              bl omni --audio always 400: sends audio_url, endpoint requires input_audio #54
              Closed
              #55
              Closed
              bl omni --audio always 400: sends audio_url, endpoint requires input_audio#54
              #55
              Description
              @a2fapower
              a2fapower
              opened on Jun 12, 2026
              bl omni --audio always 400: sends audio_url, OpenAI-compatible endpoint requires input_audio
              Summary
              bl omni --audio <file> fails for every Qwen-Omni model with HTTP 400. The CLI builds the audio content part as type audio_url, but the DashScope OpenAI-compatible /compatible-mode/v1/chat/completions endpoint only accepts input_audio for audio. So audio transcription via the CLI is completely broken.
              Environment
              • bailian-cli 1.3.0
              • Windows 11, Node (npm global install)
              • Auth: api-key from ~/.bailian/config.json
              Repro
              bl omni --model qwen3.5-omni-flash --audio ./clip.wav --text-only \
--system "transcribe this audio verbatim" --message "transcribe this audio." --output json
              Actual
              {
"error": {
"code": 1,
"message": "Invalid value: audio_url. Supported values are: 'text','image_url','video_url' and 'video'.",
"http_status": 400,
"api_code": "invalid_request_error"
}
}
              Reproduced identically on qwen3.5-omni-flash, qwen3-omni-flash, qwen-omni-turbo, qwen2.5-omni-7b — i.e. not model-specific, it's the request shape.
              Root cause
              The CLI almost certainly emits:
              { "type": "audio_url", "audio_url": { "url": "data:audio/wav;base64,..." } }
              The OpenAI-compatible Qwen-Omni API instead expects the input_audio shape:
              { "type": "input_audio", "input_audio": { "data": "data:audio/wav;base64,...", "format": "wav" } }
              Fix
              Change the audio content part builder in the omni command from audio_url -> input_audio, with { data, format } (format inferred from file extension: wav/mp3/opus/pcm). I verified the input_audio shape works against the same endpoint/key with a hand-rolled streaming request (text-only modality + stream_options.include_usage) across all four models above, so only the CLI's content-part construction needs changing.
              Ref: https://help.aliyun.com/zh/model-studio/qwen-omni (OpenAI-compatible audio input uses input_audio).
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try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
bl omni --audio always 400: sends audio_url, endpoint requires input_audio · Issue #54 · modelstudioai/cli · GitHub
                  Skip to content
                  bl omni --audio always 400: sends audio_url, endpoint requires input_audio #54
                  Closed
                  #55
                  Closed
                  bl omni --audio always 400: sends audio_url, endpoint requires input_audio#54
                  #55
                  Description
                  @a2fapower
                  a2fapower
                  opened on Jun 12, 2026
                  bl omni --audio always 400: sends audio_url, OpenAI-compatible endpoint requires input_audio
                  Summary
                  bl omni --audio <file> fails for every Qwen-Omni model with HTTP 400. The CLI builds the audio content part as type audio_url, but the DashScope OpenAI-compatible /compatible-mode/v1/chat/completions endpoint only accepts input_audio for audio. So audio transcription via the CLI is completely broken.
                  Environment
                  • bailian-cli 1.3.0
                  • Windows 11, Node (npm global install)
                  • Auth: api-key from ~/.bailian/config.json
                  Repro
                  bl omni --model qwen3.5-omni-flash --audio ./clip.wav --text-only \
--system "transcribe this audio verbatim" --message "transcribe this audio." --output json
                  Actual
                  {
"error": {
"code": 1,
"message": "Invalid value: audio_url. Supported values are: 'text','image_url','video_url' and 'video'.",
"http_status": 400,
"api_code": "invalid_request_error"
}
}
                  Reproduced identically on qwen3.5-omni-flash, qwen3-omni-flash, qwen-omni-turbo, qwen2.5-omni-7b — i.e. not model-specific, it's the request shape.
                  Root cause
                  The CLI almost certainly emits:
                  { "type": "audio_url", "audio_url": { "url": "data:audio/wav;base64,..." } }
                  The OpenAI-compatible Qwen-Omni API instead expects the input_audio shape:
                  { "type": "input_audio", "input_audio": { "data": "data:audio/wav;base64,...", "format": "wav" } }
                  Fix
                  Change the audio content part builder in the omni command from audio_url -> input_audio, with { data, format } (format inferred from file extension: wav/mp3/opus/pcm). I verified the input_audio shape works against the same endpoint/key with a hand-rolled streaming request (text-only modality + stream_options.include_usage) across all four models above, so only the CLI's content-part construction needs changing.
                  Ref: https://help.aliyun.com/zh/model-studio/qwen-omni (OpenAI-compatible audio input uses input_audio).
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
bl omni --audio always 400: sends audio_url, endpoint requires input_audio · Issue #54 · modelstudioai/cli · GitHub
                      Skip to content
                      bl omni --audio always 400: sends audio_url, endpoint requires input_audio #54
                      Closed
                      #55
                      Closed
                      bl omni --audio always 400: sends audio_url, endpoint requires input_audio#54
                      #55
                      Description
                      @a2fapower
                      a2fapower
                      opened on Jun 12, 2026
                      bl omni --audio always 400: sends audio_url, OpenAI-compatible endpoint requires input_audio
                      Summary
                      bl omni --audio <file> fails for every Qwen-Omni model with HTTP 400. The CLI builds the audio content part as type audio_url, but the DashScope OpenAI-compatible /compatible-mode/v1/chat/completions endpoint only accepts input_audio for audio. So audio transcription via the CLI is completely broken.
                      Environment
                      • bailian-cli 1.3.0
                      • Windows 11, Node (npm global install)
                      • Auth: api-key from ~/.bailian/config.json
                      Repro
                      bl omni --model qwen3.5-omni-flash --audio ./clip.wav --text-only \
--system "transcribe this audio verbatim" --message "transcribe this audio." --output json
                      Actual
                      {
"error": {
"code": 1,
"message": "Invalid value: audio_url. Supported values are: 'text','image_url','video_url' and 'video'.",
"http_status": 400,
"api_code": "invalid_request_error"
}
}
                      Reproduced identically on qwen3.5-omni-flash, qwen3-omni-flash, qwen-omni-turbo, qwen2.5-omni-7b — i.e. not model-specific, it's the request shape.
                      Root cause
                      The CLI almost certainly emits:
                      { "type": "audio_url", "audio_url": { "url": "data:audio/wav;base64,..." } }
                      The OpenAI-compatible Qwen-Omni API instead expects the input_audio shape:
                      { "type": "input_audio", "input_audio": { "data": "data:audio/wav;base64,...", "format": "wav" } }
                      Fix
                      Change the audio content part builder in the omni command from audio_url -> input_audio, with { data, format } (format inferred from file extension: wav/mp3/opus/pcm). I verified the input_audio shape works against the same endpoint/key with a hand-rolled streaming request (text-only modality + stream_options.include_usage) across all four models above, so only the CLI's content-part construction needs changing.
                      Ref: https://help.aliyun.com/zh/model-studio/qwen-omni (OpenAI-compatible audio input uses input_audio).
                      Metadata
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                      Assignees
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                        No type
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                          Milestone
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                          None yet
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                          No branches or pull requests
                          Issue actions
                          
, 'i');
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function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
bl omni --audio always 400: sends audio_url, endpoint requires input_audio · Issue #54 · modelstudioai/cli · GitHub
                          Skip to content
                          bl omni --audio always 400: sends audio_url, endpoint requires input_audio #54
                          Closed
                          #55
                          Closed
                          bl omni --audio always 400: sends audio_url, endpoint requires input_audio#54
                          #55
                          Description
                          @a2fapower
                          a2fapower
                          opened on Jun 12, 2026
                          bl omni --audio always 400: sends audio_url, OpenAI-compatible endpoint requires input_audio
                          Summary
                          bl omni --audio <file> fails for every Qwen-Omni model with HTTP 400. The CLI builds the audio content part as type audio_url, but the DashScope OpenAI-compatible /compatible-mode/v1/chat/completions endpoint only accepts input_audio for audio. So audio transcription via the CLI is completely broken.
                          Environment
                          • bailian-cli 1.3.0
                          • Windows 11, Node (npm global install)
                          • Auth: api-key from ~/.bailian/config.json
                          Repro
                          bl omni --model qwen3.5-omni-flash --audio ./clip.wav --text-only \
--system "transcribe this audio verbatim" --message "transcribe this audio." --output json
                          Actual
                          {
"error": {
"code": 1,
"message": "Invalid value: audio_url. Supported values are: 'text','image_url','video_url' and 'video'.",
"http_status": 400,
"api_code": "invalid_request_error"
}
}
                          Reproduced identically on qwen3.5-omni-flash, qwen3-omni-flash, qwen-omni-turbo, qwen2.5-omni-7b — i.e. not model-specific, it's the request shape.
                          Root cause
                          The CLI almost certainly emits:
                          { "type": "audio_url", "audio_url": { "url": "data:audio/wav;base64,..." } }
                          The OpenAI-compatible Qwen-Omni API instead expects the input_audio shape:
                          { "type": "input_audio", "input_audio": { "data": "data:audio/wav;base64,...", "format": "wav" } }
                          Fix
                          Change the audio content part builder in the omni command from audio_url -> input_audio, with { data, format } (format inferred from file extension: wav/mp3/opus/pcm). I verified the input_audio shape works against the same endpoint/key with a hand-rolled streaming request (text-only modality + stream_options.include_usage) across all four models above, so only the CLI's content-part construction needs changing.
                          Ref: https://help.aliyun.com/zh/model-studio/qwen-omni (OpenAI-compatible audio input uses input_audio).
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style = document.createElement('style');
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document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
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/* 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;
}
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[data-theme="light"], [data-theme="light"],
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}
/* Fix common UI elements */
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filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
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/* Selection */
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} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
bl omni --audio always 400: sends audio_url, endpoint requires input_audio · Issue #54 · modelstudioai/cli · GitHub
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                              bl omni --audio always 400: sends audio_url, endpoint requires input_audio #54
                              Closed
                              #55
                              Closed
                              bl omni --audio always 400: sends audio_url, endpoint requires input_audio#54
                              #55
                              Description
                              @a2fapower
                              a2fapower
                              opened on Jun 12, 2026
                              bl omni --audio always 400: sends audio_url, OpenAI-compatible endpoint requires input_audio
                              Summary
                              bl omni --audio <file> fails for every Qwen-Omni model with HTTP 400. The CLI builds the audio content part as type audio_url, but the DashScope OpenAI-compatible /compatible-mode/v1/chat/completions endpoint only accepts input_audio for audio. So audio transcription via the CLI is completely broken.
                              Environment
                              • bailian-cli 1.3.0
                              • Windows 11, Node (npm global install)
                              • Auth: api-key from ~/.bailian/config.json
                              Repro
                              bl omni --model qwen3.5-omni-flash --audio ./clip.wav --text-only \
--system "transcribe this audio verbatim" --message "transcribe this audio." --output json
                              Actual
                              {
"error": {
"code": 1,
"message": "Invalid value: audio_url. Supported values are: 'text','image_url','video_url' and 'video'.",
"http_status": 400,
"api_code": "invalid_request_error"
}
}
                              Reproduced identically on qwen3.5-omni-flash, qwen3-omni-flash, qwen-omni-turbo, qwen2.5-omni-7b — i.e. not model-specific, it's the request shape.
                              Root cause
                              The CLI almost certainly emits:
                              { "type": "audio_url", "audio_url": { "url": "data:audio/wav;base64,..." } }
                              The OpenAI-compatible Qwen-Omni API instead expects the input_audio shape:
                              { "type": "input_audio", "input_audio": { "data": "data:audio/wav;base64,...", "format": "wav" } }
                              Fix
                              Change the audio content part builder in the omni command from audio_url -> input_audio, with { data, format } (format inferred from file extension: wav/mp3/opus/pcm). I verified the input_audio shape works against the same endpoint/key with a hand-rolled streaming request (text-only modality + stream_options.include_usage) across all four models above, so only the CLI's content-part construction needs changing.
                              Ref: https://help.aliyun.com/zh/model-studio/qwen-omni (OpenAI-compatible audio input uses input_audio).
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