head to head · open source
Crawl4AI vs WebAI2API
Crawl4AI has 83,782 GitHub stars, 8,664 forks, 188 open issues and last shipped 3 days ago. WebAI2API has 1,353 stars, 352 forks, 41 open issues and last shipped 2 months ago. Crawl4AI leads on adoption by 6,092% (83,782 vs 1,353 stars). Crawl4AI is written in Python under Apache-2.0; WebAI2API is written in JavaScript under MIT. Crawl4AI has attracted 10% as many forks as stars, WebAI2API 26%. Crawl4AI was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Crawl4AI | WebAI2API | |
|---|---|---|
| GitHub stars | ★ 84K | ★ 1.4K |
| License | Apache-2.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-09-16 | 2026-07-10 |
| Forks | ⑂ 8.7K | ⑂ 352 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Crawl4AI if
- You weight community size — 84K 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
pick WebAI2API if
- You want the WebAI2API feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and WebAI2API fits your workflow better
About Crawl4AI
Crawl4AI is an open source web crawler and scraper designed to prepare website content for large language model (LLM) workflows. It lives in the Python ecosystem and targets data extraction for RAG, agents, and AI pipelines. Unlike many tools that require API keys or paid subscriptions, Crawl4AI provides direct, self hosted access to web content with output structured specifically for LLM consumption.
read the full Crawl4AI overview →
About WebAI2API
WebAI2API is a Node.js service that turns browser based AI sites — LMArena, Google Gemini, ChatGPT, DeepSeek, Sora, Google Flow and others — into a single OpenAI compatible HTTP API by driving a real Camoufox (Playwright) browser, built for developers and small teams who want programmatic access to those web interfaces without official API keys.
read the full WebAI2API overview →
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Frequently asked questions
Is Crawl4AI or WebAI2API more popular?
Crawl4AI has 83,782 GitHub stars and WebAI2API has 1,353. Crawl4AI has the larger community by that measure.
Are Crawl4AI and WebAI2API free?
Both are open source. Crawl4AI is licensed under Apache-2.0 and WebAI2API under MIT. Neither carries a licence fee.
What is the difference between Crawl4AI and WebAI2API?
Crawl4AI is written in Python and WebAI2API 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 WebAI2API?
Choose Crawl4AI if you want the larger community (83,782 stars) or its Apache-2.0 licence terms. Choose WebAI2API if its feature set, stack or MIT licence fits better. Both are self-hostable.