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Back to No.001 GPT-6 Astra in Practice: Tests, Use Cases, and FeedbackUpdated 23 hours ago
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OpenAI rewrote ChatGPT Web on the desktop codebase in five weeks with Astra

An OpenAI staffer says the team used Astra to rewrite ChatGPT Web on top of the desktop app codebase in five weeks, so launches like Dots, Space and Codex Cloud will now ship on web and desktop the same day.

Andrew Ambrosino
@ajambrosinoArchived 2026.09.30Originally posted 2026.09.30
Andrew Ambrosino @ajambrosinoOriginally posted 2026.09.30
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Over the past 5 weeks, the team completely rewrote ChatGPT Web on top of the desktop app codebase. This was only possible with Astra, and it’s why Dots, Space, Codex Cloud, and so many more of our launches will come to web and desktop same day. Era of the megaproject begins.

x.com/ajambrosino/status/2104993363170861501Archived 2026.09.30 10:16
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