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YesCodex · 7 Aug 2026

This morning I casually prompted Codex to drive the browser to complete extensive performance testing in-situ that would have literally been weeks of work before

extr on Hacker News

extensive performance testing... weeks of work

In the thread “Managing AI Coding Costs at Scale”, replying to this comment

Helped: Prompting Codex to drive the browser for in-situ performance testing.

Yes 100%. This morning I casually prompted Codex to drive the browser to complete extensive performance testing in-situ that would have literally been weeks of work before. Probably in reality it just wouldn't have been done, and performance guarantees would have been attempted up front via more careful design. …