diff --git a/config/engine.json b/config/engine.json
index d5c1fd3..047a07c 100644
--- a/config/engine.json
+++ b/config/engine.json
@@ -22,7 +22,7 @@
       "claude": {
         "api_key_env": "CLIPROXY_API_KEY",
         "base_url": "https://cliproxy.gru.farm/api/provider/claude",
-        "model": "claude-sonnet-4-6",
+        "model": "claude-opus-4-6",
         "max_tokens": 4096,
         "temperature": 0.7
       },