signalSimon Willison's Blog2026-09-30
OpenAI DevDay 2026 live blog
At OpenAI DevDay 2026, OpenAI announced Dots, personal agents powered by Astra, along with ChatGPT Space for team collaboration. New models and features include GPT-6.1 Sol (near-Astra at a fifth of the price), Ultrafast mode (8x faster, up to 300 tokens per second), and the Pro 500 plan with 25x Plus usage. A Decisions API using the Luna model was previewed for sub-second responses.
- for who
- Developers and enterprise teams using OpenAI platforms.
- why now
- DevDay today launches GPT-6.1 Sol, Ultrafast, Decisions API, and Pro 500, countering Jev.
- what changes
- Developers can now delegate complex tasks to personal agents like Dots that use top-tier models at lower cost, and build real-time applications with the Decisions API.
- to do
- Explore GPT-6.1 Sol and Dots, and consider the Pro 500 plan for Ultrafast access and higher usage limits.
key points
- Dots personal agent powered by Astra, available to Pro and Enterprise today.
- GPT-6.1 Sol offers near-Astra intelligence at a fifth of the price.
- Ultrafast mode is 8x faster, up to 300 tokens per second, with Pro 500 plan.
#openai#devday#gpt-6.1#dots#model release3 sources · confidence medium
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