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Cursor's latest “browser experiment” implied success without evidence


2026-01-16 Cursor's latest "browser experiment" implied success without evidence On January 14th 2026, Cursor published a blog post titled "Scaling long-running autonomous coding" (https://cursor.com/blog/scaling-agents) In the blog post, they talk about their experiments with running "coding agents autonomously for weeks" with the explicit goal of understand[ing] how far we can push the frontier of agentic coding for projects that typically take human teams months to complete They talk about some approaches they tried, why they think those failed, and how to address the difficulties. Finally they arrived at a point where something "solved most of our coordination problems and let us scale to very large projects without any single agent", which then led to this: To test this system, we pointed it at an ambitious goal: building a web browser from scratch.

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