METR’s randomized controlled trial (July 2025; updated February 24, 2026) with 16 experienced open-source developers found that participants using AI were 19% slower, not faster. Developers expected AI to speed them up, and after the measured slowdown had already occurred, they still believed AI had sped them up by 20%. These were not junior developers but experienced open-source maintainers. If even THEY could not tell in this setup, subjective impressions alone are probably not a reliable performance measure.
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Песков рассказал о способе связи в Кремле02:27
Европеец описал впечатления от дворца в России фразой «рот открылся и не закрывался»17:34，详情可参考whatsapp
刘林：除了取代率更高这一个挑战外，另一个影响就是，过去要学的一些技术知识被更先进的模型工具所取代，人工智能可以去帮助你，你不用再学这些就可以完成这项工作，用这些工具比人完成得更好、更精准、更到位。