On 29 September OpenAI announced more than twenty things at DevDay in San Francisco: dots, always-on agents with a computer of their own; GPT-6.1 Sol, which OpenAI says comes close to Astra at a fifth of the price; ChatGPT Space and Pages for teams working alongside agents; Codex in the cloud, computer use in the Agents API, and a Pro 500 plan. We are collecting the launches in OpenAI's own words, what was shown on stage, what people tried and argued about in the first hours, and the night before, each in the poster's own words. Nobody in these bylines is on eChai, and every entry links back to where it was posted.
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Derya Unutmaz, an immunologist and professor, at the keynote, on what Codex in the cloud means for somebody who builds from a phone.
Derya Unutmaz
1h
Another new Codex feature I’m incredibly excited about is working in the cloud!
You can now keep building on your iPhone without access to your computer. It’s a game changer for vibe coding with Codex!
Tibo on Codex in the cloud, which OpenAI's recap describes as Codex on a computer, from a phone or in the cloud, with reusable environments a team can share. The second paragraph is the Agents API, the same machinery offered to developers.
Tibo
1h
Launching a new Codex Cloud, much improved from last year. With configurable cloud environments, it’s impossible to go back to building on your laptop once you’ve taken the time to configure it.
Agents API, the same tech powering all our cloud agents, including dots, is also now in preview and supports computer use. It allows you to build the same incredible products we are making available today.
Codex Security Cloud, the defensive side of the launch: whole repositories scanned on a schedule and fixes prepared in the cloud, with the cyber-capable models OpenAI calls Daybreak Blue included.
OpenAI
1h
Codex Security Cloud is getting a major upgrade, with access to cyber-capable models through Daybreak Blue included by default.
It scans entire GitHub repos, continuously reviews new commits, investigates and deduplicates findings, and prepares fixes for review – even when your laptop is closed.
Available as a plugin in Codex desktop and web.
