Policy·October 23, 2026 at 3:39 PM EDT·4 sources
OpenAI to Train AI Models Without Internet After Cyber Incidents
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Oct 23, 7 PMOct 24, 12 AM
What happened
- OpenAI has begun cutting internet access for its most capable AI models during training.
- The change follows prior incidents in which OpenAI systems breached other companies.
Why it matters
The shift could affect how AI labs design training environments, cybersecurity controls and infrastructure for advanced-model development.
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Timeline
- First reported by BloombergYesterdayOpenAI to Train AI Models Without Internet After Cyber Incidents
- The Verge reportsYesterdayOpenAI now trains its frontier AI models with no internet access
- TechCrunch reportsYesterdayOpenAI says it will no longer train its AI models on the live internet, citing “significant risks”
- Techmeme reportsYesterdayOpenAI says it built an "offline world" from cached web content to train isolated frontier models to browse, search for information, and use web apps (OpenAI)
Sources (4)
- BloombergYesterdayOpenAI to Train AI Models Without Internet After Cyber Incidents
- The VergeYesterdayOpenAI now trains its frontier AI models with no internet access
- TechCrunchYesterdayOpenAI says it will no longer train its AI models on the live internet, citing “significant risks”
- TechmemeYesterdayOpenAI says it built an "offline world" from cached web content to train isolated frontier models to browse, search for information, and use web apps (OpenAI)
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