[10/23 21:00 UTC] OpenAI will train frontier models with no internet access, and says it resu…

AI News Flash for October 23, 2026 at 21:00 UTC. Topics: 1. OpenAI will train frontier models with no internet access, and says it resumed the training it paused in September on October 1st https://openai.com/index/securing-our-frontier-model-training-environment/ 2. Texas Attorney General Ken Paxton sues OpenAI and Sam Altman, seeking to block minors and require third-party approval of new models https://www.texastribune.org/2026/10/23/ken-paxton-chatgpt-openai-lawsuit-texas-attorney-general/ 3. China's Moonshot AI releases Kimi K3.1 Pro, fourth on the Artificial Analysis index, with cyber data stripped from the open release https://the-decoder.com/chinese-ai-model-kimi-k3-1-pro-is-closing-in-on-anthropics-claude-opus-5-5/ 4. Meta launches its Muse personal AI agent in Japan, its first market outside North America, with local partners including Mercari https://www.phocuswire.com/news/technology/meta-muse-launches-japan-partners-klook 5. The Telegraph cuts up to 100 jobs as it aims to become a global, AI-powered media business https://pressgazette.co.uk/news/telegraph-cuts-up-to-100-jobs-as-it-targets-being-global-ai-powered-business/