diff --git a/agent.json b/agent.json
index 8f61e46..d07fa78 100644
--- a/agent.json
+++ b/agent.json
@@ -32,7 +32,7 @@
   "llm": {
     "provider": "internal-testing",
     "providerId": "provider-internal-testing-001",
-    "model": "claude-opus-4-6",
+    "model": "glm-5.1",
     "maxRetryDelayMs": 32000,
     "thinkingBudgets": {
       "low": 1024,