OpenAI DevDay 2026 Keynote Unveils 20+ Announcements

OpenAI held DevDay 2026, its developer conference, on 09-30, with the keynote streamed live on the official YouTube channel. Delivered by Sam Altman, Romain Huet, Tejal Patwardhan and Holly Li, the keynote announced more than 20 launches and offered first looks at new capabilities and the latest breakthroughs. DevDay is OpenAI's flagship annual event for developers, historically featuring new API capabilities, model updates and tooling products.

Confirmed

• The conference opened on 09-30, with the keynote livestreamed on the official YouTube channel, presented by Sam Altman, Romain Huet, Tejal Patwardhan and Holly Li
• The keynote announced more than 20 launches, including first showcases of new capabilities
• Runtimewire published a full roundup of the keynote covering everything announced at the event, a good way for developers who don't want to watch the full video to get up to speed

Not yet confirmed

• The source material does not list the specific product names, version numbers or pricing details of the 20+ launches; refer to official channels and roundup articles for accuracy

Why it matters

• DevDay is OpenAI's most important bellwether for developers, and a concentrated batch of 20+ launches often signals the direction of its API and tooling ecosystem for the coming year — well worth developers following up on detailed breakdowns

2026-09-30 ~ 2026-09-30 · 5 related posts

Full story(13 episodes)→

• Episode 1: Rumors swirl ahead of OpenAI DevDay: always-on agents and new models(2026-09-25, 4 posts)
• Episode 2: OpenAI's always-on agent "o" seemingly leaked by its own staff(2026-09-26, 13 posts)
• Episode 3: OpenAI DevDay Enters Final Countdown, Livestream Confirmed(2026-09-27, 8 posts)
• Episode 4: Investor Predicts OpenAI Dev Day: 50% Price Cut and Bigger Models(2026-09-27, 2 posts)
• Episode 5: OpenAI DevDay Agenda Leaks Ahead of Event, Spotlighting Codex Platform and Long-Running Agents(2026-09-28, 7 posts)
• Episode 6: OpenAI DevDay 2026 Kicks Off With 20+ Announcements Teased(2026-09-28, 44 posts)
• Episode 7: Report: OpenAI to Launch Agent Product Dots to Rival Grok and Meta(2026-09-29, 3 posts)
• Episode 8: Leaked OpenAI DevDay List: Always-on Agents, Cloud Codex, and GPT-6.1 Sol(2026-09-29, 5 posts)
• Episode 9: Every Reports Live from OpenAI DevDay with Altman Interview(2026-09-30, 5 posts)
• Episode 10: OpenAI Launches Always-On Agent Dots Powered by GPT-6 Astra at DevDay(2026-09-30, 57 posts)
• Episode 11: OpenAI DevDay 2026 Keynote Unveils 20+ Announcements(2026-09-30, 5 posts)
• Episode 12: OpenAI DevDay 2026: Space Collaboration Suite and 20+ Launches(2026-09-30, 30 posts)
• Episode 13: Hands-on with OpenAI's Always-On Agent Dot(2026-09-30, 4 posts)

• OpenAI DevDay 2026 Keynote Live Discussion Thread — Delumine · 2026-09-30
• OpenAI DevDay 2026 is now live — danshipper · 2026-09-30
• OpenAI DevDay is live-streaming now — every · 2026-09-30
• [source] OpenAI DevDay 2026 keynote: 20+ launches unveiled by Sam Altman and team — OpenAI · 2026-09-30
• Everything OpenAI announced at the DevDay 2026 keynote, recapped — ryanmerket · 2026-09-30