🚨BREAKING: Someone just open-sourced a headless browser that runs 11x faster than Chrome and uses 9x less memory. It's called Lightpanda and it's built from scratch specifically for AI agents, scraping, and automation. Not a Chromium fork. Not a hack. A completely new browser written in Zig. Here's why this changes everything for AI builders: ↓
Chrome for headless AI work is a disaster. → Eats 1GB+ RAM per instance → Slow cold starts → Bloated with features you'll never use → Nightmare to deploy at scale If you're running 100s of AI agent sessions simultaneously, Chrome bills are killing you.
Lightpanda fixes all of that. → 11x faster execution than Chrome → 9x lower memory footprint → Instant startup → Full JavaScript execution → Supports Playwright, Puppeteer, and chromedp via CDP Same scripts. Zero rewrites. Just plug it in.
How it works: Built in Zig (low-level, zero-overhead systems language) No graphical rendering layer = no wasted compute Runs a CDP server on port 9222 Drop-in replacement for Chrome in any Puppeteer/Playwright workflow in one line: browserWSEndpoint: "ws://127.0.0.1:9222"
What it already supports: → Full JS execution (V8 engine) → Ajax, XHR, Fetch API → DOM APIs + HTML parsing → Cookies, custom headers, proxy support → Network interception → robots.txt compliance → Docker images for amd64 and arm64 → Linux, macOS, Windows (WSL2)
Real benchmark: Puppeteer requesting 100 pages on AWS EC2 m5.large: Chrome → baseline Lightpanda → 11x faster, 9x less RAM If you're running AI web agents at any kind of scale, this is the difference between a $500/month infra bill and a $50 one.
11.8K stars on GitHub. Growing fast. 100% Opensource.
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🚨BREAKING: Someone just open-sourced a headless browser that runs 11x faster than Chrome and uses 9x less memory. It's called Lightpanda and it's built from scratch specifically for AI agents, scraping, and automation. Not a Chromium fork. Not a hack. A completely new browser
Good reminder to mute “someone just”
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