OpenAI DevDay 2026 live blog
Simon Willison's live blog from the keynote floor, first hands-on account of the day.
3 items · 3 sources · 2 days
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Latent Space's Sep 30 roundup lists the headline launches by name: Dots, 6.1 Sol, Ultrafast, a Decisions API, an Agents API, Spaces, and a Marketplace, alongside 1.2 billion ChatGPT weekly users.
OpenAI's DevDay 2026 keynote ran in San Francisco on Sep 29, with Simon Willison live blogging it. OpenAI's recap post cataloged more than 20 announcements spanning GPT-6 Astra, ChatGPT, Codex, APIs, security, and builder tools.
Arc
Simon Willison's live blog from the keynote floor, first hands-on account of the day.
OpenAI's official recap: more than 20 announcements across models, ChatGPT, Codex, APIs, and security.
Latent Space's Sep 30 roundup names the individual launches and cites 1.2 billion ChatGPT weekly users.
OpenAI's official recap: more than 20 announcements across models, ChatGPT, Codex, APIs, and security.
Simon Willison's live blog from the keynote floor, first hands-on account of the day.
Latent Space's Sep 30 roundup names the individual launches and cites 1.2 billion ChatGPT weekly users.
What to watch — open questions
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