# LangExtract (Google)

Python library extracting structured data from unstructured text with LLMs. LangExtract (Google) is free, with no paid plan attached, at github.com.

## Facts

- **Pricing tier:** Free
- **Works on:** Self-hosted, API, Web
- **Works in browser:** Yes

## Capabilities

- 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

## FAQ

### 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 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use LangExtract (Google) in a browser, or is there an app?

LangExtract (Google) works in a normal browser tab with no install. It is available on self-hosting, an API and the web.

### 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)?

dots.ocr (dots.mocr) is the closest free alternative: it sits in the same AI OCR & Document Extraction sub-category and is free. MinerU, olmOCR and PaddleOCR-VL also start free. The full list is on the alternatives page.

## Related

- [LangExtract (Google) alternatives](https://aitools.flocci.in/alternatives/langextract-google)
- [AI OCR & Document Extraction](https://aitools.flocci.in/category/research-learning/ai-ocr-document-extraction)
- [Best free AI OCR and document extraction tools](https://aitools.flocci.in/best/best-ai-ocr-document-extraction)
---

Source: Flocci AI Tools — https://aitools.flocci.in/tool/langextract-google

Facts last verified: October 2026