DevDay 2026 Recap
Explore more than 20 announcements from OpenAI DevDay 2026, including GPT-6 Astra, ChatGPT, Codex, APIs, security, and new tools for builders.
At a glance
- openai.com: DevDay 2026 Recap
- theverge.com: OpenAI DevDay 2026: The biggest news and announcements
- simonwillison.net: OpenAI DevDay 2026 live blog
The story
openai.com: Explore more than 20 announcements from OpenAI DevDay 2026, including GPT-6 Astra, ChatGPT, Codex, APIs, security, and new tools for builders.
theverge.com: It s OpenAI’s turn in the fall tech events calendar. The company is hosting its annual DevDay on September 29th in San Francisco, and during a live keynote featuring CEO Sam Altman, it revealed several notable updates, including Dots, its AI agent product that rivals Meta’s recently-launched Muse. However, unlike Muse, which is available for free, [ ]
simonwillison.net: I'm at OpenAI DevDay today, in Fort Mason, San Francisco. Same as last year I'll be live blogging the keynote and some other notes during the day. OpenAI gave me a free ticket and a seat in the "creator" area for the keynote. Tags: ai , openai , generative-ai , llms , coding-agents , live-blog