diff --git a/config.json b/config.json
index 389ea8a..c150e42 100644
--- a/config.json
+++ b/config.json
@@ -1,7 +1,7 @@
 {
   "model": null,
   "max_iters": 50,
-  "lm": "openrouter/anthropic/claude-sonnet-4.5",
+  "lm": "openrouter/openai/gpt-5.2-codex",
   "sub_lm": "openrouter/openai/gpt-5-mini",
   "api_base": "https://openrouter.ai/api/v1",
   "max_tokens": 32000,
diff --git a/nanocode.py b/nanocode.py
index 56b94fe..dbf1228 100644
--- a/nanocode.py
+++ b/nanocode.py
@@ -278,7 +278,7 @@ class ToolLoggingCallback(BaseCallback):
 
 class RLMCodingConfig(PrecompiledConfig):
     max_iters: int = 50
-    lm: str = "openrouter/anthropic/claude-sonnet-4.5"
+    lm: str = "openrouter/openai/gpt-5.2-codex"
     sub_lm: str = "openrouter/openai/gpt-5-mini"
     api_base: str = "https://openrouter.ai/api/v1"
     max_tokens: int = 32000
@@ -302,16 +302,14 @@ class RLMCodingProgram(PrecompiledProgram):
             "run_bash": run_bash,
         }
 
-        # tool logging for introspections on multi-turn conversations
-        dspy.settings.configure(callbacks=[ToolLoggingCallback()])
         self.lm = dspy.LM(
-            self.config.lm,
+            model=self.config.lm,
             api_base=self.config.api_base,
             max_tokens=self.config.max_tokens,
             track_usage=self.config.track_usage,
         )
         self.sub_lm = dspy.LM(
-            self.config.sub_lm,
+            model=self.config.sub_lm,
             api_base=self.config.api_base,
             max_tokens=self.config.max_tokens,
             track_usage=self.config.track_usage,
@@ -325,6 +323,8 @@ class RLMCodingProgram(PrecompiledProgram):
             verbose=self.config.verbose,
         )
         agent.set_lm(self.lm)
+        print(f"Using model: {self.lm.model}")
+        print(f"Using sub-model: {self.sub_lm.model}")
         self.agent = agent
 
     def forward(self, task: str) -> str:
@@ -595,5 +595,5 @@ def main():
 
 if __name__ == "__main__":
     agent = RLMCodingProgram(RLMCodingConfig())
-    agent.push_to_hub(MODAIC_REPO_PATH, commit_message="Add MCP server support and long paste handling", tag="v0.0.4")
+    agent.push_to_hub(MODAIC_REPO_PATH, commit_message="debug", tag="v0.0.5")
     #main()
diff --git a/program.json b/program.json
index 5b0165e..b73223c 100644
--- a/program.json
+++ b/program.json
@@ -29,7 +29,7 @@
       ]
     },
     "lm": {
-      "model": "openrouter/anthropic/claude-sonnet-4.5",
+      "model": "openrouter/openai/gpt-5.2-codex",
       "model_type": "chat",
       "cache": true,
       "num_retries": 3,
@@ -68,7 +68,7 @@
       ]
     },
     "lm": {
-      "model": "openrouter/anthropic/claude-sonnet-4.5",
+      "model": "openrouter/openai/gpt-5.2-codex",
       "model_type": "chat",
       "cache": true,
       "num_retries": 3,