LangExtract Usage

LangExtract extracts structured information from unstructured text using LLMs. The main entry point is lx.extract(). Every extraction needs at least one example and input text. prompt_description is optional but recommended.

Install

pip install langextract

# For OpenAI model support:
pip install langextract[openai]

API keys

# Gemini (checks GEMINI_API_KEY then LANGEXTRACT_API_KEY)