Live notes from OpenAI DevDay 2026: Dots agent, GPT-6.1 Sol, and Ultrafast unveiled
Simon Willison live-blogged the OpenAI DevDay 2026 keynote at Fort Mason in San Francisco. OpenAI unveiled Dots, a personal agent powered by Astra, ChatGPT Space, GPT-6.1 Sol, and an Ultrafast mode reaching up to 300 tokens per second.
Why it matters: The live notes track the announcements and demo mishaps as they happened, offering a view of how the new features worked in practice alongside the official messaging.