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Countdown
Tuesday, October 6, 2026 · 119 days away
Countdown
OpenAI DevDay 2026
Event overview
Likely GPT-6 or successor model, new agent frameworks, Apps SDK updates, AgentKit improvements, Codex updates, and pricing/API capability expansions.
Confirmation checklist
Source trail
Primary source
openai.com
Last reviewed
2026-04-30
Tracker status
expected
Date precision
Expected single-date signal; useful for monitoring, but not strong enough for irreversible plans.
Schema posture
Precise Event startDate schema is withheld so the page does not overstate an expected or windowed date.
Primary citation
Freshness and review
Operational detail
Weak-date handling
The timer above runs to OpenAI DevDay 2026, expected on Tuesday, October 6 at 10:00 PT at Fort Mason in San Francisco, where new frontier models, agent platforms, and API expansions are forecast to debut.
OpenAI DevDay is the company's annual developer conference and the venue at which OpenAI typically introduces flagship API releases, new model availability, and platform-level capabilities. After a single-track 2023 debut, the format has expanded each year and now runs as a multi-track in-person event in San Francisco with parallel "regional" follow-up events in London, Singapore, and other cities. The keynote is fronted by OpenAI's CEO Sam Altman with platform leadership presenting product launches.
DevDay's audience includes startups building on the OpenAI API, enterprise AI teams, indie developers, and the broader machine-learning research community. Sessions cover API capabilities, fine-tuning and customisation, evals, agentic frameworks, multimodal tooling, and deployment guidance. Hands-on labs and one-on-one office hours with OpenAI engineers are typically available to in-person attendees.
The 2026 edition is widely expected to introduce a successor to the GPT-5 family, possibly branded GPT-6, alongside updates to OpenAI's agent platform and Apps SDK. Persistent reporting points to AgentKit improvements, Codex updates, expansions to the Realtime API including voice and video modalities, and continued evolution of Sora video generation. Pricing changes and new model tiers are common DevDay announcements. Expect deeper integration with the consumer ChatGPT product, expanded Apps in ChatGPT marketplace capabilities, and updates targeting enterprise procurement.
The keynote is expected to stream free on openai.com/devday and OpenAI's YouTube channel. A 10:00 PT start equates to 13:00 ET, 18:00 BST, 19:00 CEST, 22:30 IST, and 02:00 JST on October 7. The opening keynote typically runs roughly 90 minutes, followed by breakout sessions and labs across the day. Session recordings publish to OpenAI's YouTube channel within days, and the developer documentation is updated to reflect the new APIs in real time.
DevDay sits between Meta Connect 2026 in mid-September and AWS re:Invent 2026 in early December, in a packed AI keynote calendar. Anthropic's competing developer event runs as Code with Claude SF 2026 earlier in May.
When is OpenAI DevDay 2026? Expected Tuesday, October 6, 2026 at 10:00 PT. Where is OpenAI DevDay 2026? Fort Mason in San Francisco, California. How can I watch OpenAI DevDay 2026? Free on openai.com/devday and OpenAI's YouTube channel. What's expected to be announced? A next-generation frontier model, AgentKit and Codex updates, Apps SDK expansions, and pricing and API capability updates.
Date confidence
OpenAI DevDay 2026 has an expected date signal, but the source has not locked every detail. Treat the countdown as a monitoring aid and verify the linked source before making time-sensitive plans.
Source
https://openai.com/devday/Structured data posture
This page does not emit a precise Event startDate because the tracked record is expected or windowed. The countdown stays useful for monitoring, while schema avoids making a stronger claim than the source supports.
Countdown evidence
Retention class
Expected-date monitoring countdown
Evidence score
6/10 record signals
City-page readiness
Held to date-first
Planning notes
Source reviewed Apr 30, 2026. The countdown record is intentionally labeled as scheduled or expected; use the source link and any range notes before treating the date as final.
Live values rendered at Jun 3, 11:50 AM UTC.
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