OpenAI has announced its third annual DevDay, scheduled for October 6, 2025, at Fort Mason in San Francisco, promising to be the company’s biggest developer conference to date with over 1,500 attendees, expanded stages, live demos, and key announcements. The event, detailed in OpenAI’s official blog post on July 23, 2025, will feature a livestreamed opening keynote by CEO Sam Altman, hands-on sessions with the latest models and tools, and networking opportunities for engineers, researchers, and industry leaders. For AI developers, tech enthusiasts, and product builders searching OpenAI DevDay 2025, DevDay October 6 San Francisco, or OpenAI developer conference, this in-person and virtual gathering—following the 2024 event that introduced GPT-4 Turbo and the GPT Store—focuses on practical AI integration, with early looks at upcoming advancements in APIs, agentic workflows, and multimodal capabilities. Registration opens soon via a lottery system to ensure fair access, with costs at $650 for in-person tickets.
DevDay serves as OpenAI’s premier platform for unveiling developer tools, fostering collaboration, and showcasing how AI is reshaping industries from software engineering to healthcare.
Event Highlights: Keynotes, Workshops, and Demos
The agenda emphasizes actionable insights and innovation, with a mix of technical deep dives and strategic visions:
- Opening Keynote: Sam Altman’s 1-hour session at 10 a.m. PT, livestreamed on YouTube, will include announcements, live demos, and a forward-looking discussion on AI’s role in development.
- Hands-On Workshops: Sessions for building with the latest models, tools, and APIs, covering voice applications, agentic systems, and production-scale integrations.
- Expanded Stages: Multiple tracks with talks from OpenAI teams, partners like Cursor co-founder Aman Sanger, San Francisco mayor Daniel Lurie, and a16z’s Kimberly Tan, plus a fireside chat between Altman and design icon Jony Ive.
- Networking and Demos: Opportunities to connect with peers and test emerging features.
No specific launches are confirmed, but speculation points to upgrades in multimodal models, lower-latency developer infrastructure, and steps toward scalable agentic workflows.
| Session Type | Highlights | Time/Format |
|---|---|---|
| Opening Keynote | Announcements & Demos by Sam Altman | 10 a.m. PT, Livestreamed |
| Workshops | Hands-On with Models & Tools | Full Day, In-Person |
| Fireside Chat | Altman & Jony Ive | Afternoon, In-Person |
| Partner Talks | Industry Leaders & Researchers | Multiple Stages |
Registration and Access: Lottery for In-Person, Free Livestream
In-person attendance is limited to 1,500 developers, selected via lottery to ensure diversity—registration opens mid-August, with notifications by late August and a one-week claim window. Tickets cost $650, covering access to all sessions.
- Virtual Option: Free livestream of the keynote on OpenAI’s YouTube channel, with on-demand content post-event.
- Eligibility: Open to developers, researchers, and AI builders worldwide; apply via devday.openai.com.
- Additional Info: For media, contact [email protected]; general inquiries to [email protected].
This lottery approach prioritizes merit over first-come, first-served, fostering a vibrant community.
Broader Context: DevDay’s Evolution and OpenAI’s Momentum
DevDay has grown from a modest 2023 gathering to OpenAI’s flagship developer event, following 2024’s focus on GPT-4 Turbo and the GPT Store. With OpenAI’s user base at 700 million weekly actives and revenue tripling to $12.7 billion in 2025, the conference underscores the company’s push for accessible AI tools amid competition from Google Gemini and Anthropic Claude.
Expect themes like agentic AI, production APIs, and ethical scaling, aligning with recent launches like Llama 4 and government AI integrations.
Conclusion: DevDay 2025—A Catalyst for AI Innovation
OpenAI’s DevDay 2025 on October 6 is set to be a landmark for developers, blending announcements with hands-on learning in San Francisco. With a lottery for spots and a free livestream, it’s more inclusive than ever. For builders, mark your calendars—will it unveil the next AI breakthrough? The stage is set.
