Garry Tan: agents auto-improved eval loops for 16 hours with zero human input

garrytan · x · 2026-10-11

YC President Garry Tan says he's using @capydotai to drive latency/retrieval eval auto-improvement for GBrain's agent retrieval metrics — and for the last 16 hours his agents iterated on new features and loops entirely on their own, with zero input from him.

Related event: YC's Garry Tan Shares His Agentic Coding Workflow(4 posts)→

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