Dolphin (ByteDance) is free, with no paid plan attached. LangExtract (Google) is free, with no paid plan attached. Both are listed under AI OCR & Document Extraction, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.
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.
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.
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.
| Dolphin (ByteDance) | LangExtract (Google) | |
|---|---|---|
| Pricing tier | Free | Free |
| Free to start | Yes | Yes |
| Category | Research & Learning | Research & Learning |
| Type | AI OCR & Document Extraction | AI OCR & Document Extraction |
| Listed capabilities |
|
|
| Tags | dolphin ocr, bytedance dolphin, dolphin-v2 document parsing, open source document parser, free document image parsing | langextract, google langextract, extract structured data from text llm, source grounded extraction, gemini extraction library |
| Website | github.com | github.com |
| Full page | Dolphin (ByteDance) details → | LangExtract (Google) details → |
| Alternatives | Dolphin (ByteDance) alternatives → | LangExtract (Google) alternatives → |