diff --git a/.changeset/gemini-25-flash-withdrawn.md b/.changeset/gemini-25-flash-withdrawn.md
new file mode 100644
index 00000000..5cdf40f3
--- /dev/null
+++ b/.changeset/gemini-25-flash-withdrawn.md
@@ -0,0 +1,11 @@
+---
+"@plotday/twister": patch
+---
+
+Changed: `AIModel.GEMINI_25_FLASH` is documented as withdrawn rather than
+merely superseded, matching the other 2.x members.
+
+Gemini availability is scoped to the calling project: this model still answers
+for some long-lived keys while returning "no longer available to new users" for
+others, so a model resolving for you is not evidence that it resolves for
+everyone. It is remapped to a current model like the rest of the generation.
diff --git a/twister/src/tools/ai.ts b/twister/src/tools/ai.ts
index b7c345a9..b59fd330 100644
--- a/twister/src/tools/ai.ts
+++ b/twister/src/tools/ai.ts
@@ -269,7 +269,7 @@ export enum AIModel {
   // rather than failing — but new code should name a 3.x member directly.
   /** @deprecated Withdrawn by Google. Use {@link AIModel.GEMINI_31_PRO}. */
   GEMINI_25_PRO = "google/gemini-2.5-pro",
-  /** @deprecated Superseded. Use {@link AIModel.GEMINI_35_FLASH}. */
+  /** @deprecated Withdrawn by Google. Use {@link AIModel.GEMINI_35_FLASH}. */
   GEMINI_25_FLASH = "google/gemini-2.5-flash",
   /** @deprecated Withdrawn by Google. Use {@link AIModel.GEMINI_35_FLASH_LITE}. */
   GEMINI_25_FLASH_LITE = "google/gemini-2.5-flash-lite",