diff --git a/.agents/skills/update-models/reference/discover-models.ts b/.agents/skills/update-models/reference/discover-models.ts
index 7d98996..c8bb4db 100644
--- a/.agents/skills/update-models/reference/discover-models.ts
+++ b/.agents/skills/update-models/reference/discover-models.ts
@@ -49,6 +49,7 @@ const YUTORI_DOC_MODELS = [
 	"n1-20260203",
 ];
 const GEMINI_DOC_COMPUTER_USE_MODELS = [
+	"gemini-3.5-flash",
 	"gemini-3-flash-preview",
 	"gemini-2.5-computer-use-preview-10-2025",
 ];
diff --git a/packages/ai/docs/supported-models.md b/packages/ai/docs/supported-models.md
index a0e4273..1e0ae0c 100644
--- a/packages/ai/docs/supported-models.md
+++ b/packages/ai/docs/supported-models.md
@@ -49,6 +49,7 @@ Exact IDs:
 
 - `gemini-3-flash-preview`
 - `gemini-3.1-flash-lite`
+- `gemini-3.5-flash`
 
 `gemini-2.5-computer-use-preview-10-2025` is deliberately not annotated: it
 rejects the standard function declarations this package sends and requires
diff --git a/packages/ai/src/models.ts b/packages/ai/src/models.ts
index f311c77..1119cc0 100644
--- a/packages/ai/src/models.ts
+++ b/packages/ai/src/models.ts
@@ -76,6 +76,7 @@ export const CUA_MODEL_ANNOTATIONS: Record<CuaProvider, readonly CuaModelAnnotat
 	google: [
 		{ match: { kind: "exact", id: "gemini-3-flash-preview" }, source: "https://ai.google.dev/gemini-api/docs/computer-use" },
 		{ match: { kind: "exact", id: "gemini-3.1-flash-lite" }, source: "https://ai.google.dev/gemini-api/docs/computer-use" },
+		{ match: { kind: "exact", id: "gemini-3.5-flash" }, source: "https://ai.google.dev/gemini-api/docs/computer-use" },
 		// gemini-3-pro-preview is intentionally absent: Google retired it and
 		// the API now returns 404 "model no longer available".
 	],