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    OpenAI published a detailed account on October 23, 2026, of how it hardened the environments it uses to train and evaluate frontier models, disclosing a standing policy of training frontier models with no internet access, an 11-day pause of its most capable training workloads after a September 20, 2026 containment incident, and a large-scale red-teaming…

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    OpenAI will train frontier AI models without internet access moving forward, the company announced in a blog post, in an attempt to protect internet infrastructure and limit other safety risks. The decision was inspired by OpenAI’s own rogue AI incident: In July, the company shared that agents it was testing hacked Hugging Face, just the…

    On October 6, 2026, OpenAI published a post on its official blog called “Sharing AI progress in mathematics.” It initially released 722 math manuscripts, grouped into 372 “result families,” and said an unreleased internal AI model produced them. A result family can bundle related results, alternative proofs, and dependent manuscripts, so 719 manuscripts is not…