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MinerU vs crawl4ai

MinerU and crawl4ai share 8 technologies: FastAPI, aiosqlite, SQLite, uvicorn, Rich, pillow, beautifulsoup4, and Pydantic. Both are written in Python.

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What they share and what sets them apart

opendatalab

MinerU

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

Python83.1kRead on November 4, 2026, at commit 8cd0842What is MinerU built with?

Only in MinerU

  • Hugging Face
  • OpenAI
  • Gradio
  • onnxruntime
  • ModelScope
  • ONNX
  • tokenizers
  • mineru
  • pypdfium2
  • loguru

In common

unclecode

crawl4ai

Official Crawl4AI Cloud: a hosted web scraping, extraction, and search API for AI agents. Free API key, 1,000 credits a month, no card. Fully open source: this repo is the Apache-2.0 crawler that powers it, and you can self-host it.

Python86.9kRead on November 4, 2026, at commit cae74b2What is crawl4ai built with?

Only in crawl4ai

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
MinerU158,109 lines written375 code files
crawl4ai176,861 lines written105 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
MinerU12.6% of its commits signed by AIWith GitHub Copilot, Claude Code, and Codex
crawl4ai4.4% of its commits signed by AIWith Claude Code, Factory, Cursor, CodeRabbit, and Devin
ActivityFrom GitHub and its history, on the day SeeRepo read it.
MinerULast push November 4, 20265,064 commits83,126 stars
crawl4aiLast push November 4, 20261,446 commits86,895 stars
TestsThe files that test the code, and the share of code files a test imports.
MinerU236 test files2.1% of its code files have a test that imports them
crawl4ai286 test files56.2% of its code files have a test that imports them

Frequently asked questions

Which is bigger, MinerU or crawl4ai?
crawl4ai, with 176,861 lines written; MinerU has 158,109.

The proof: unclecode/crawl4ai's code at commit cae74b2

Which has more GitHub stars, MinerU or crawl4ai?
crawl4ai, with 86,895 stars; MinerU has 83,126.

The proof: unclecode/crawl4ai on GitHub

Which has more tests, MinerU or crawl4ai?
crawl4ai, with 286 test files; MinerU has 236.

The proof: unclecode/crawl4ai's code at commit cae74b2

Which was updated more recently, MinerU or crawl4ai?
Both got their last push on November 4, 2026.

The proof: opendatalab/MinerU's commits on GitHub

Which has more commits signed by AI, MinerU or crawl4ai?
MinerU: an AI signed 12.6% of its commits, with GitHub Copilot, Claude Code, and Codex; in crawl4ai, 4.4%.

The proof: the commits each tool signed in opendatalab/MinerU

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