OpenAI DevDay 2026 live: Decisions API steals the show, Ultrafast wows the crowd
every · x · 2026-09-30
The Every team live-blogged OpenAI DevDay 2026:
- Ultrafast comes to ChatGPT: Dan Shipper called it the biggest crowd reaction of the keynote, "kinda wild" — but very expensive.
- Decisions API announced: framed as OpenAI's answer to Jev, drawing a big reaction from the audience.
- 6.1 Sol unveiled: Sam teased the applauding crowd, "you don't even know what Sol 6.1 is yet."
- Color: Kieran Klaassen joked about $500 team plans; Astra was positioned as a research accelerator (Tejal Patwardhan).
The overall focus: faster inference (Ultrafast), new API capabilities, and a price-efficient workhorse model.
Related event: Every Reports Live from OpenAI DevDay with Altman Interview(5 posts)→
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