{"rewrite":{"id":"r_7a248792f442ccc86399af15","clusterId":"c_b712fce014d1f50fd401b3ba","slug":"openai-devday-2026-set-for-september-29-in-san-francisco","model":"deepseek-v4-1-flash","headline":"OpenAI DevDay 2026 Set for September 29 in San Francisco","summary":"OpenAI will hold OpenAI DevDay 2026 in San Francisco on September 29 US time, with CEO Sam Altman's keynote livestreamed free at 10:00 am, which is 2:00 am Japan time on September 30. OpenAI says it will show new APIs, tools, and technologies in development. Reports point to an agent that keeps working in the background, a \"Managed Agents\" system, and a possible $500 Pro Max plan.","whyItMatters":"The pre-announcement leaks point to agents that work over long periods rather than a new GPT model, which is why the keynote is the thing to watch.","webCardHtml":"\u003cp\u003eOpenAI has said the keynote will cover new APIs, tools, and technologies in development, and the pre-announcement reporting has settled on agents rather than a new GPT model as the likely center of the event. Traces of an unannounced feature called \u0026#34;O\u0026#34; were reportedly found inside ChatGPT, alongside information about a \u0026#34;Managed Agents\u0026#34; system for centrally managing AI agent execution environments, Skills, Plugins, and more. Traces of a higher-tier plan called \u0026#34;Pro Max\u0026#34; at $500 per month have also been found. Fortune reports OpenAI plans a cybersecurity-focused model, \u0026#34;GPT-6 Cyber,\u0026#34; within a few weeks. Whether any of it appears on stage is unconfirmed.\u003c/p\u003e","blueskyPost":"A 10:00 am San Francisco keynote lands at 2:00 am Japan time on September 30, so OpenAI DevDay 2026's developer news will break for Japanese builders while they sleep.","twitterPost":"OpenAI DevDay 2026's 10:00 am keynote hits Japan at 2:00 am on September 30, so developers there read the news after the fact.","threadsPost":"OpenAI DevDay 2026 runs September 29 in San Francisco with Sam Altman's keynote streamed free, and the 10:00 am start is 2:00 am in Japan on September 30. The APIs and Managed Agents previews land first for US working hours, which puts Japanese developers a full sleep behind the live stream.","newsletterBlurb":"OpenAI holds DevDay 2026 in San Francisco on September 29, with Sam Altman's keynote livestreamed free at 10:00 am US time, 2:00 am Japan time on September 30. OpenAI says the keynote will cover new APIs, tools, and technologies in development. Reporting ahead of the event points to a background agent called \"O,\" a \"Managed Agents\" system, and a possible $500 per month Pro Max plan, all unconfirmed by OpenAI.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/437/4437553/?rss\",\"title\":\"ChatGPT May Evolve into an 'Always-Working AI' as OpenAI's New Announcement Approaches\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4688,"outputTokens":660,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791152067,"createdAt":"2026-10-04T22:11:26.000Z","publishedAt":"2026-10-04T22:13:25.000Z","updatedAt":"2026-10-04T22:13:25.000Z"},"cluster":{"id":"c_b712fce014d1f50fd401b3ba","canonicalTitle":"ChatGPT、「常時働くAI」に進化か　OpenAIの新発表迫る","representativeArticleId":"a_9da0ce64378dd27b0ae822c1","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"ChatGPT\"],\"studios\":[\"OpenAI\"],\"people\":[],\"type\":\"event\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-28T02:00:00.000Z","lastSeenAt":"2026-09-28T02:00:00.000Z","updatedAt":"2026-10-04T22:13:20.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/437/4437553/?rss","title":"ChatGPT、「常時働くAI」に進化か　OpenAIの新発表迫る"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["ChatGPT"],"studios":["OpenAI"],"people":[],"type":"event","domain":"other","is_roundup":false},"keyFacts":null}