Added thinking capabilities to anthropic models

agents/llama_index_agent.py

@@ -88,7 +88,12 @@ class GaiaAgent(ReActAgent):
             return OpenAI(model=model_name, api_key=api_key or os.getenv("OPENAI_API_KEY"))
             
         elif model_provider == "anthropic":
-            return Anthropic(model=model_name, api_key=api_key or os.getenv("ANTHROPIC_API_KEY"))
+            return Anthropic(
+                model=model_name,
+                api_key=api_key or os.getenv("ANTHROPIC_API_KEY"),
+                temperature=0.5,
+                thinking_dict={"type": "enabled", "budget_tokens": 1600}
+            )
                         
         else:
             raise ValueError(f"Unsupported model provider: {model_provider}. "
@@ -199,9 +204,17 @@ def create_writer_agent(model_config: Dict[str, Any]) -> ReActAgent:
     api_key = model_config.get("api_key")
     
     if model_provider.lower() == "openai":
-        llm = OpenAI(model=model_name, api_key=api_key or os.getenv("OPENAI_API_KEY"))
+        llm = OpenAI(
+            model=model_name,
+            api_key=api_key or os.getenv("OPENAI_API_KEY"),
+            )
     elif model_provider.lower() == "anthropic":
-        llm = Anthropic(model=model_name, api_key=api_key or os.getenv("ANTHROPIC_API_KEY"))
+        llm = Anthropic(
+            model=model_name,
+            api_key=api_key or os.getenv("ANTHROPIC_API_KEY"),
+            temperature=0.5,
+            thinking_dict={"type": "enabled", "budget_tokens": 1600},
+        )
     else:
         raise ValueError(f"Unsupported model provider for writer agent: {model_provider}")