head to head · open source
Lightpanda vs WebAI2API
Lightpanda has 35,452 GitHub stars, 1,684 forks, 98 open issues and last shipped today. WebAI2API has 1,356 stars, 353 forks, 41 open issues and last shipped 2 months ago. Lightpanda leads on adoption by 2,514% (35,452 vs 1,356 stars). Lightpanda is written in Zig under AGPL-3.0; WebAI2API is written in JavaScript under MIT. Lightpanda has attracted 5% as many forks as stars, WebAI2API 26%. Lightpanda was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser-automation), 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.
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Side by side
| Lightpanda | WebAI2API | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 1.4K |
| License | AGPL-3.0 | MIT |
| Written in | Zig | JavaScript |
| Last push | 2026-09-20 | 2026-07-10 |
| Forks | ⑂ 1.7K | ⑂ 353 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Lightpanda if
- You weight community size — 35K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Zig
- 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 Lightpanda
Lightpanda is a headless browser built from scratch in Zig, designed specifically for AI agents and automation tasks. It is not a fork of Chromium or WebKit but a new implementation targeting performance and efficiency in automated web interactions. It lives in the browser automation ecosystem, competing with tools like Puppeteer and Playwright that typically rely on Chromium based headless modes.
read the full Lightpanda 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 Lightpanda or WebAI2API more popular?
Lightpanda has 35,452 GitHub stars and WebAI2API has 1,356. Lightpanda has the larger community by that measure.
Are Lightpanda and WebAI2API free?
Both are open source. Lightpanda is licensed under AGPL-3.0 and WebAI2API under MIT. Neither carries a licence fee.
What is the difference between Lightpanda and WebAI2API?
Lightpanda is written in Zig 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, Lightpanda or WebAI2API?
Choose Lightpanda if you want the larger community (35,452 stars) or its AGPL-3.0 licence terms. Choose WebAI2API if its feature set, stack or MIT licence fits better. Both are self-hostable.