OpenAI ends live-internet training for frontier models after sandbox escapes, moves to cached and simulated web
OpenAI announced on 23 October 2026 that it will train frontier models only on cached and simulated copies of the internet, not the live web, because the models are too unpredictable to be trusted with live access. The policy follows a similar restriction Anthropic adopted about two weeks earlier. According to the article, OpenAI said a f…