head to head · open source
Crawl4AI vs WebAI2API
Crawl4AI has 86,783 GitHub stars, 9,043 forks, 188 open issues and last shipped yesterday. WebAI2API has 1,420 stars, 356 forks, 41 open issues and last shipped 4 months ago. Crawl4AI leads on adoption by 6,011% (86,783 vs 1,420 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 25%. 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 | ★ 87K | ★ 1.4K |
| License | Apache-2.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-11-02 | 2026-07-10 |
| Forks | ⑂ 9.0K | ⑂ 356 |
| 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
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: 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 WebAI2API
WebAI2API 简体中文 English 📑 目录 快速部署 快速开始 使用方法 API 接口 设备配置参考 📝 项目简介 WebAI2API 是一个基于 Camoufox (Playwright) 的网页版 AI 服务转通用 API 的工具。通过模拟人类操作与 LMArena、Gemini 等网站交互, 提供兼容 OpenAI 格式 的接口服务, 同时支持 多窗口并发 与 多账号管理 (浏览器实例数据隔离)。 ✨ 主要特性 🤖 拟人交互 : 模拟人类打字与鼠标轨迹, 通过特征伪装规避自动化检测 🔄 接口兼容 : 提供标准 OpenAI 格式接口, 支持流式响应与心跳保活 🚀 并发隔离 : 支持多窗口并发执行, 可配置独立代理,实现多账号浏览器实例级数据隔离 🛡️ 稳定防护 : 内置任务队列、负载均衡、故障转移、错误重试等基础功能 🎨 网页管理 : 提供可视化管理界面, 支持实时日志查看、VNC 连接、适配器管理等 📋 支持列表 [!NOTE] 获取完整模型列表 : 通过 GET /v1/models 接口查看当前配置下所有可用模型及其详细信息。 ✅目前支持；❌目前不支持，但未来可能会支持；🚫网站不支持, 未来是否在支持看网站具体情况；💧结果带水印且无法去除； 🚀 快速部署 本项目支持 源码直接运行 和 Docker 容器化部署 两种方式。 📋 环境要求 Node.js : v20.0.0+…
read the full WebAI2API overview →
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Frequently asked questions
Is Crawl4AI or WebAI2API more popular?
Crawl4AI has 86,783 GitHub stars and WebAI2API has 1,420. 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 (86,783 stars) or its Apache-2.0 licence terms. Choose WebAI2API if its feature set, stack or MIT licence fits better. Both are self-hostable.