Lightpanda
A lightweight, high-performance browser engine built from scratch for AI agents and web automation. 10x faster and 16x more memory efficient than Chrome headless.
Lightpanda is an open-source alternative to:
Lightpanda is the first browser designed specifically for machines, not humans. Built from the ground up in Zig, it delivers blazing-fast JavaScript execution with minimal memory overhead, making it ideal for AI agents, web crawling, and automation tasks.
Key Features
- Built for AI workloads: Purpose-engineered for headless operation without rendering overhead
- Blazing fast: 9x faster execution and 16x less memory usage than Chrome headless
- Isolated environments: No shared state, cookies, or sessions between tasks
- Zig-based: Developed in a low-level language for maximum performance
- Cloud-optimized: Cost-effective alternative to running Chrome in the cloud
- Easy installation: One-command setup with
curl -fsSL https://pkg.lightpanda.io/install.sh | bash - AI-native tools: Includes Lightpanda Agent and PandaScript for LLM-driven browser control
- Framework integration: Works with leading agent frameworks like Vercel Labs and Dust
Tech / Self-Hosting
Lightpanda is open source and can be self-hosted. The browser engine is built in Zig and designed for high-performance automation. Documentation covers installation methods, quickstart guides, and benchmark details. The project is actively maintained with a growing community and enterprise-ready features.