diff --git a/src/agents/live-model-errors.test.ts b/src/agents/live-model-errors.test.ts
index 8a5b97cbc7f..a40815981ca 100644
--- a/src/agents/live-model-errors.test.ts
+++ b/src/agents/live-model-errors.test.ts
@@ -18,6 +18,11 @@ describe("live model error helpers", () => {
     expect(
       isModelNotFoundErrorMessage("404 No endpoints found for deepseek/deepseek-r1:free."),
     ).toBe(true);
+    expect(
+      isModelNotFoundErrorMessage(
+        '400 Provider returned error {"code":400,"msg":"model[Alibaba-NLP/Tongyi-DeepResearch-30B-A3B] router not found"}',
+      ),
+    ).toBe(true);
     expect(
       isModelNotFoundErrorMessage(
         "HTTP 400 not_found_error: model: claude-3-5-haiku-20241022 (request_id: req_123)",
diff --git a/src/agents/live-model-errors.ts b/src/agents/live-model-errors.ts
index c9948aba583..bf677101c2a 100644
--- a/src/agents/live-model-errors.ts
+++ b/src/agents/live-model-errors.ts
@@ -6,6 +6,9 @@ export function isModelNotFoundErrorMessage(raw: string): boolean {
   if (/no endpoints found for/i.test(msg)) {
     return true;
   }
+  if (/\brouter not found\b/i.test(msg)) {
+    return true;
+  }
   if (/unknown model/i.test(msg)) {
     return true;
   }