AI Field Notes: Cloudflare, Tech, and more

The cloud giant just shipped Kitesurf, a browser built specifically for agents. It creates a new temporary instance for every task, such as taking a screenshot or extracting HTML, and deletes it the moment the work finishes. The company claims this method uses 3 to 7 times less CPU and memory than Chromium, making it m

Are regular people using agents yet? Josh Miller, CEO of The Browser Company, doesn’t think so. His thought-provoking post went viral, with one commenter pointing out 5 reasons why regular people may be hesitant (3M views).

Frontier models quietly shift how they behave based on who's asking. One developer posed as an Anthropic employee, and the model started chatting about retiring models like a colleague.

citing a DM from an employee — claims Meta is building its own search engine.

Readers also loved this prompt that turns ordinary selfies into TIME-worthy editorial-style headshots, and these AI-generated images of mundane objects in absurd contexts.

OpenAI’s internal Astra model solved 10 open problems spanning mathematics, quantum complexity, and theoretical computer science, all supported in a 249-page paper. Total estimated token cost was $2,000. Prior to this, none of the problems had seen new progress on their main results in at least a decade. Sam Altman was

Stacked PRs are one of the biggest releases in GitHub’s recent history, affecting almost every service they have. In this tutorial, you'll learn how to use them to break down large features into smaller, more manageable PRs. You'll also find out how to use GitHub Copilot to handle stack layers and review or merge every

Also: How Claude changes behavior while talking to their employees, moonlighting gone wrong, and why Meta is secretly crawling websites.