from langchain_aws import ChatBedrockConverse LLM_MODEL_ID = "us.meta.llama3-3-70b-instruct-v1:0" LLM_REGION = "us-east-1" llm = ChatBedrockConverse( model_id=LLM_MODEL_ID, region_name=LLM_REGION ) image_planner_llm = ChatBedrockConverse( model_id="us.anthropic.claude-3-5-haiku-20241022-v1:0", region_name="us-east-1", )