diff --git a/configuration.nix b/configuration.nix
index bf4c0da..56817d6 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -96,13 +96,11 @@
 
   # OpenClaw secrets
   sops.secrets.openclaw_discord_token = { };
-  sops.secrets.openclaw_openai_api_key = { };
   sops.secrets.openclaw_zai_api_key = { };
 
   sops.templates."openclaw.env" = {
     content = ''
       DISCORD_TOKEN=${config.sops.placeholder.openclaw_discord_token}
-      OPENAI_API_KEY=${config.sops.placeholder.openclaw_openai_api_key}
       ZAI_API_KEY=${config.sops.placeholder.openclaw_zai_api_key}
     '';
   };
diff --git a/modules/openclaw-config.json b/modules/openclaw-config.json
index 3f11fd7..aeafd3e 100644
--- a/modules/openclaw-config.json
+++ b/modules/openclaw-config.json
@@ -25,7 +25,7 @@
   "agents": {
     "defaults": {
       "model": {
-        "primary": "openai/gemini-3.1-pro-high"
+        "primary": "zai/gemini-2.5-pro"
       },
       "memorySearch": {
         "provider": "openai",
@@ -54,22 +54,14 @@
   "models": {
     "mode": "merge",
     "providers": {
-      "openai": {
-        "baseUrl": "http://localhost:8045/v1/chat/completions",
-        "apiKey": "${OPENAI_API_KEY}",
+      "zai": {
+        "baseUrl": "https://api.z.ai/v1",
+        "apiKey": "${ZAI_API_KEY}",
         "api": "openai",
         "models": [
           {
-            "id": "gemini-3.1-pro-high",
-            "name": "Gemini 3.1 Pro High",
-            "reasoning": true,
-            "contextWindow": 1000000,
-            "maxTokens": 65536
-          },
-          {
-            "id": "claude-opus-4-6-thinking",
-            "name": "Claude Opus 4.6 Thinking",
-            "reasoning": true,
+            "id": "gemini-2.5-pro",
+            "name": "Gemini 2.5 Pro",
             "contextWindow": 1000000,
             "maxTokens": 65536
           }