Cloudflare launches Kitesurf, a Chromium-free browser built for AI agents

Cloudflare released Kitesurf, a stateless web browser designed for AI agents that runs entirely in V8 isolates on Cloudflare Workers instead of using Chromium. Built in 12 weeks with Rust components, it passes over 215,000 Web Platform Tests and uses 3-4x less CPU and 5-7x less memory than Chromium for tasks like screenshots and HTML extraction. It works as a drop-in option for existing Puppeteer, Playwright, and Model Context Protocol (MCP) clients, free during beta.

Why it matters: Most browser-using AI agents today run full Chromium instances, which are heavy and expensive at scale. A lightweight, agent-native browser that plugs into existing tooling could meaningfully cut the cost of running large fleets of web-browsing agents, an area several companies, including Cloudflare with its coding agent workspace, are racing to build infrastructure for.