Introducing Kitesurf: The agent-first browser that runs in V8 isolates on Cloudflare Workers
AI disclosure
Summary
We should be giving all agents tools that excel at what’s important for an AI model. Kitesurf is Cloudflare’s new stateless, highly scalable, and cost-effective web browser that runs entirely on top of Workers and was designed specifically for the Agentic Cloud.
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DeepSeek V4 Flash (0731) is the cheapest model on the Vals Index to score above 60, and 35x cheaper than the next best model.
— Vals AI (@ValsAI) August 4, 2026
That efficiency comes almost entirely from coding. Three of its four strongest Index results are coding and agentic tasks, and the cost gap on those is… pic.twitter.com/eerUEIPaKb