All of the updates from OpenAI DevDay 2025
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Sam Altman: “almost all new code written at OpenAI today is written by Codex users.”
Sam Altman announced that the company’s GPT-5-Codex-powered AI coding tool is now out of research preview and has a direct Slack integration, with more features coming soon.
Cisco, Duolingo, and Instacart are a few of the companies he mentioned that are already using Codex.
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