| from langchain.chains.summarize import load_summarize_chain | |
| from langchain_openai import ChatOpenAI | |
| def get_summarizer(): | |
| llm = ChatOpenAI(model_name="gpt-4o-mini", temperature=0) | |
| chain = load_summarize_chain(llm, chain_type="map_reduce") | |
| return chain | |