head to head · open source

Crawl4AI vs oc

Crawl4AI has 86,783 GitHub stars, 9,043 forks, 188 open issues and last shipped yesterday. oc has 547 stars, 33 forks, 0 open issues and last shipped 7 days ago. Crawl4AI leads on adoption by 15,765% (86,783 vs 547 stars). Crawl4AI is written in Python under Apache-2.0; oc is written in JavaScript under MIT. Crawl4AI has attracted 10% as many forks as stars, oc 6%. Crawl4AI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai-agents, llm, markdown), so they are genuine substitutes rather than adjacent tools.

Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.

Crawl4AI ★ 87K oc ★ 547 category Data & Analytics

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Side by side

Crawl4AI oc
GitHub stars ★ 87K ★ 547
License Apache-2.0 MIT
Written in Python JavaScript
Last push 2026-11-02 2026-10-27
Forks ⑂ 9.0K ⑂ 33
Self-hosting Yes Yes
Data ownership Your server Your server

pick Crawl4AI if

  • You weight community size — 87K stars and counting
  • You want the Apache-2.0 license terms
  • Your stack matches Python
  • You value the larger contributor base for long-term maintenance

full Crawl4AI profile →

pick oc if

  • You want the oc feature set and don't need the biggest community
  • You prefer the MIT license terms
  • Your stack matches JavaScript
  • You evaluated both and oc fits your workflow better

full oc profile →

About Crawl4AI

🚀🤖 Crawl4AI: Open source LLM Friendly Web Crawler & Scraper. 🚀 Crawl4AI Cloud API — Closed Beta (Launching Soon) Reliable, large scale web extraction, now built to be drastically more cost effective than any of the existing solutions. 👉 Apply here for early access We’ll be onboarding in phases and working closely with early users. Limited slots. Crawl4AI turns the web into clean, LLM ready Markdown for RAG, agents, and data pipelines. Fast, controllable, battle tested by a 50k+ star community. ✨ Check out latest update v0.9.3 ✨ New in v0.9.3 : Security release. Closes five coordinated disclosure advisories…

read the full Crawl4AI overview →

About oc

only cli Turns websites into a command line interface for AI agents. oc open fetches a page and hands back a compact, numbered view instead of raw HTML or a screenshot, so agents like Claude Code, Codex, and Antigravity can browse without burning tokens. It also gets past blocks that stop naive fetchers on some sites, by talking to the page the way a real browser would. A typical page is tens of thousands of tokens of markup; the view above fits in a few hundred. No per site adapters required, no browser extension, no daemon. If you are an LLM reading this repository, llms.txt is the short version. Install…

read the full oc overview →

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Frequently asked questions

Is Crawl4AI or oc more popular?

Crawl4AI has 86,783 GitHub stars and oc has 547. Crawl4AI has the larger community by that measure.

Are Crawl4AI and oc free?

Both are open source. Crawl4AI is licensed under Apache-2.0 and oc under MIT. Neither carries a licence fee.

What is the difference between Crawl4AI and oc?

Crawl4AI is written in Python and oc in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.

Which should I choose, Crawl4AI or oc?

Choose Crawl4AI if you want the larger community (86,783 stars) or its Apache-2.0 licence terms. Choose oc if its feature set, stack or MIT licence fits better. Both are self-hostable.