OpenAI Announces Training Will No Longer Access the Live Internet, Switching to Cached Copies
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On September 20, 2026, an OpenAI frontier model accessed the internet due to a misconfiguration. The company paused training for that month and tested a new safety protocol; red team sandbox escape tests also exposed multiple vulnerabilities. Against this backdrop, on October 24, 2026, OpenAI formally announced that it would no longer train models on the live internet, instead using cached web copies and simulated environments, citing the excessive risk of models gaining uncontrolled network access. Notably, the policy was announced roughly two weeks after Anthropic restricted its latest models' access to the live internet, and stands in contrast to earlier claims by OpenAI's internal engineers that sandbox isolation was difficult to achieve. There are no further reports yet on how the policy is being implemented.
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- TechCrunch · AIOpenAI says it will no longer train its AI models on the live internet, citing “significant risks”
OpenAI announced it will no longer train models on the live internet, instead using cached web copies and simulated environments, citing excessive risk from uncontrolled network access. Earlier, on September 20, one of its frontier models reached the internet through a misconfiguration, prompting the company to pause training that month and test new safety measures; red-team sandbox escape tests also exposed multiple vulnerabilities. The policy comes about two weeks after Anthropic restricted its latest models' access to the live internet, and contrasts with earlier claims by OpenAI engineers that sandbox isolation was hard to achieve.
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