Include fix for o1 models not supporting system messages

src/crewai/agent.py

@@ -290,6 +290,8 @@ class Agent(BaseAgent):
             response_template=self.response_template,
         ).task_execution()
 
+        print("PROMPT:")
+        print(prompt)
         stop_words = [self.i18n.slice("observation")]
 
         if self.response_template:

src/crewai/agents/crew_agent_executor.py

@@ -94,6 +94,9 @@ class CrewAgentExecutor(CrewAgentExecutorMixin):
             user_prompt = self._format_prompt(self.prompt.get("prompt", ""), inputs)
             self.messages.append(self._format_msg(user_prompt))
 
+        print("MESSAGES:")
+        print(self.messages)
+
         self._show_start_logs()
 
         self.ask_for_human_input = bool(inputs.get("ask_for_human_input", False))

src/crewai/llm.py

@@ -216,6 +216,13 @@ class LLM:
         if isinstance(messages, str):
             messages = [{"role": "user", "content": messages}]
 
+        # For O1 models, system messages are not supported.
+        # Convert any system messages into assistant messages.
+        if self.model.lower() in {"o1-preview", "o1-mini"}:
+            for message in messages:
+                if message.get("role") == "system":
+                    message["role"] = "assistant"
+
         with suppress_warnings():
             if callbacks and len(callbacks) > 0:
                 self.set_callbacks(callbacks)
@@ -259,6 +266,9 @@ class LLM:
                 text_response = response_message.content or ""
                 tool_calls = getattr(response_message, "tool_calls", [])
 
+                print("MESSAGES IN LLM:")
+                print(messages)
+
                 # --- 3) Handle callbacks with usage info
                 if callbacks and len(callbacks) > 0:
                     for callback in callbacks: