Simon Willison live-blogs the OpenAI DevDay 2026 keynote from Fort Mason

ricklamers · x · 2026-09-30

Simon Willison is live-blogging the OpenAI DevDay 2026 keynote from Fort Mason, San Francisco, with ongoing notes throughout the day. He also vibe-coded a quick photo-upload system for the blog — intended with Codex Cloud on his phone, but he switched to Claude Code for web after running into problems.

Related event: Simon Willison live-blogs OpenAI DevDay for fourth straight year(3 posts)→

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