Python library extracting structured data from unstructured text with LLMs
Maps each extraction to its exact source span
Works with Gemini, OpenAI and local Ollama models
Interactive HTML visualization of results
LangExtract (Google) — straight answers
What is LangExtract (Google)?
LangExtract (Google) is listed under AI OCR & Document Extraction, in the Research & Learning category on Flocci AI Tools. Python library extracting structured data from unstructured text with LLMs. It is free, with no paid plan attached, and it lives at github.com.
Is LangExtract (Google) free?
LangExtract (Google) is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.
What can LangExtract (Google) do?
LangExtract (Google) does 4 things the catalog singles out: Python library extracting structured data from unstructured text with llms; maps each extraction to its exact source span; works with gemini, openai and local ollama models; interactive html visualization of results.
What is the best free alternative to LangExtract (Google)?
DeepSeek-OCR is the closest free alternative: it sits in the same AI OCR & Document Extraction sub-category and is free. Docling, Dolphin (ByteDance) and dots.ocr (dots.mocr) also start free. The full list is on the alternatives page.