Update agent.py

agent.py

@@ -19,8 +19,8 @@ from langchain_core.runnables import RunnableConfig  # for LangSmith tracking
 langsmith_api_key = os.getenv("LANGSMITH_API_KEY")
 langsmith_tracing = os.getenv("LANGSMITH_TRACING")
 
-# gpt-4.1-nano (cheaper for debugging) with temperature 0 for less randomness
-# for benchmarking use 04-mini (better reasoning) or gpt-4o-mini (cheaper)
+# gpt-4o-mini: cheaper for debugging, temperature 0 for less randomness
+# o4-mini: better reasoning for benchmarking, temperature 1 (default)
 llm = ChatOpenAI(
     model="o4-mini",
     api_key=os.getenv("OPENAI_API_KEY"),