LangChain

LangChain is the most popular framework for building AI applications powered by large language models (LLMs).

LangChain publishes multiple Python packages. The following are provided by the Workers runtime:

• langchain (version 0.1.8)
• langchain-core (version 0.1.25)
• langchain-openai (version 0.0.6)

​​ Get Started

Clone the cloudflare/python-workers-examples repository and run the LangChain example:

​​ Example code