OpenAI restricts access to GPT-5.5 Cyber tool after criticizing Anthropic for same practice
By
Julie Bort
Toasted just enough. A reliable bake, gently seasoned.
Summary
OpenAI is rolling out GPT-5.5 Cyber, a cybersecurity testing tool, but will initially restrict access to "critical cyber defenders" only. This comes after CEO Sam Altman criticized Anthropic for similarly limiting access to its cybersecurity tool Mythos. The move highlights the ongoing tension between AI safety concerns and the desire for open access in the AI industry.
Key quotes
· 3 pulledAfter Sam Altman trash-talked Anthropic for gatekeeping its cybersecurity tool Mythos by only releasing it to select users, he confirmed that OpenAI would be doing the same with its competing tool, Cyber.
Altman said in a post on X on Thursday that OpenAI will begin rolling out GPT-5.5 Cyber 'to critical cyber defenders' in the next few days.
OpenAI has an application on its website where people submit information about their credentials and planned use in order to gain access.
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