Why has OpenAI cancelled the release of its latest model? | Explained
What safety concerns emerged during internal testing? What did the U.K.’s AI Security Institute find when it evaluated GPT-6 Astra’s behaviour in simulated cyber environments? Could these concerns force OpenAI and other AI companies to rethink the pace of development?
· 9/30/2026, 4:30:41 AM· 2 min read

What safety concerns emerged during internal testing? What did the U.K.’s AI Security Institute find when it evaluated GPT-6 Astra’s behaviour in simulated cyber environments? Could these concerns force OpenAI and other AI companies to rethink the pace of development?
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