# Dolphin (ByteDance) vs LangExtract (Google)

Dolphin (ByteDance) is free, with no paid plan attached. LangExtract (Google) is free, with no paid plan attached.

| | Dolphin (ByteDance) | LangExtract (Google) |
|---|---|---|
| Pricing | Free | Free |
| Free to start | Yes | Yes |
| Category | Research & Learning | Research & Learning |
| Type | AI OCR & Document Extraction | AI OCR & Document Extraction |
| Best for | Two-stage document-type and layout analysis then element parsing | Python library extracting structured data from unstructured text with LLMs |

## FAQ

### Dolphin (ByteDance) vs LangExtract (Google): what is the difference?

Dolphin (ByteDance) is free, with no paid plan attached and is listed for two-stage document-type and layout analysis then element parsing. LangExtract (Google) is free, with no paid plan attached and is listed for python library extracting structured data from unstructured text with LLMs. Both sit in AI OCR & Document Extraction.

### Is Dolphin (ByteDance) or LangExtract (Google) cheaper to start with?

Neither — Dolphin (ByteDance) and LangExtract (Google) are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

### Which should I choose, Dolphin (ByteDance) or LangExtract (Google)?

Choose Dolphin (ByteDance) if you need two-stage document-type and layout analysis then element parsing; choose LangExtract (Google) if you need python library extracting structured data from unstructured text with LLMs. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

## Related

- [Dolphin (ByteDance)](https://aitools.flocci.in/tool/dolphin-bytedance)
- [LangExtract (Google)](https://aitools.flocci.in/tool/langextract-google)
- [Dolphin (ByteDance) alternatives](https://aitools.flocci.in/alternatives/dolphin-bytedance)
- [LangExtract (Google) alternatives](https://aitools.flocci.in/alternatives/langextract-google)
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Source: Flocci AI Tools — https://aitools.flocci.in/compare/dolphin-bytedance-vs-langextract-google

Facts last verified: October 2026