MIT Tech Review AI
Wednesday, July 15, 2026
Will Douglas Heaven
Meet GPT-Red: an LLM super-hacker OpenAI built to make its models safer

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OpenAI has built an LLM super-hacker called GPT-Red that it uses as a sparring partner to help its other models boost their defenses against cyberattacks.
Last week the company released the latest version of its flagship LLM, GPT-5.6.
OpenAI says that training it against GPT-Red made the model it...
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