Learn how to extend LangExtract with custom LLM providers for specialized, fine-tuned, or open-source models.
A Comprehensive Guide to LangExtract
Dive deeper into the comprehensive chapters covering all aspects of Teach me LangExtract from absolute beginner to advanced usage, covering installation, setup with LLM providers, defining extraction tasks and schemas, examples for different domains (e.g., documents, contracts, reports), API functions, handling long documents with chunking and passes, interactive visualization, error handling and debugging, performance tuning, real-world extraction workflows, comparisons with alternative NLP extraction methods, and best practices as of December 2025., from fundamental concepts to advanced techniques.
Learn how to use LangExtract and Pydantic to extract key information from legal contracts.
Learn to build a LangExtract solution for extracting structured financial data from reports.
Learn how to extract structured data from e-commerce product listings using LangExtract and Pydantic.
Learn advanced techniques for prompt engineering with LangExtract to achieve accurate data extraction.
Learn how LangExtract compares to other NLP extraction methods, including rule-based systems and LLM-centric frameworks.
Learn to avoid common pitfalls in data extraction using LangExtract and Large Language Models.
Learn how to deploy LangExtract in a production environment for reliable, efficient, and scalable data extraction.