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- OpenAI lays out safety-case approach for frontier AI training
OpenAI published 'Towards safety cases for frontier AI training', outlining how it thinks about securing frontier RL training runs, per its official X account.
- OpenAI details textGrain watermarking for EU AI Act, detector access starts with researchers
OpenAI published its approach to text watermarking under the EU AI Act, built on textGrain — an invisible statistical signal in the model's word choices. Starting immediately, API customers globally can opt in for select models (off by default), eligible ChatGPT and Codex output in the EU gets the watermark over the coming weeks, and detector access opens to approved researchers and expert organizations only. At a 1% target false-positive rate, detection worked on about 80% of 200-token passages and 95% of 400-token passages, but replacing 25% of words cut detection to 17%. OpenAI says textGrain matched or exceeded SynthID for text in its tests and plans to open-source the technology.
- 20+ leading AI researchers warn automated AI research poses extreme risks, per The Decoder
The Decoder reports more than 20 AI researchers, including Geoffrey Hinton, Yoshua Bengio and OpenAI research lead Jakub Pachocki, warn of an impending intelligence explosion from self-improving AI that could soon automate all AI research.
- OpenAI is working on "Spaces" 👀
OpenAI is working on "Spaces" 👀 A new announcement introducing "Spaces" was added recently. Spaces could be collaborative environments where users and agents work together on generated artifacts (speculation). Some DevDay sessions mention a "Codex run that spent more than https://t.co/pjGOKzPzm6 https://t.co/OwmprdvpAf
- OPENAI 🔥: Key insights from upcoming DevDay sessions.
OPENAI 🔥: Key insights from upcoming DevDay sessions. * This agenda is not public yet First, OpenAI will build Platform capabilities inside Codex, enabling users to develop plugins, agents, and apps right from a dedicated DevDay page, which is quite cool! Highlights from https://t.co/K5r3kDz7ld https://t.co/lwQMTGq6iI
- OpenAI expands Lenfest Institute program with $5M and software credits
OpenAI is expanding the Lenfest AI Collaborative and Fellowship Program with $5 million in funding plus up to $5 million in software credits and engineering support, per the Lenfest Institute.
- OpenAI teases '1 day. 20+ launches.'
OpenAI's official X account posted '1 day. 20+ launches.', teasing a wave of launches.
- OpenAI has fallen behind on consumer AI agents, per The Verge
The Verge reports that as OpenAI's 2026 DevDay approaches, the company has fallen behind in one of the industry's hottest categories: continuously running, consumer-facing AI agents.
- OpenAI works to fix its math breakthrough announcements, per The Verge
The Verge reports that in a chaotic few months OpenAI has made impressive mathematics breakthroughs while repeatedly mishandling the announcements, and is now trying to do better.
- ChatGPT Health now explains a chart, metric or record you select, based on your own data
OpenAI's ChatGPT release notes say users can now select a chart, metric or record in the Health tab to get personalized explanations and insights based on their connected health information. Health is available to logged-in Free, Go, Plus and Pro users in the U.S. aged 18 or older on web and iOS, and is rolling out gradually.