OpenAI opens GPT-5.5-Cyber to vetted security researchers
OpenAI released GPT-5.5-Cyber, a model with reduced safety filters that lets vetted security researchers do tasks like penetration testing and malware analysis. Access is tiered, with the least restricted version limited to authorized defenders of critical infrastructure, partnering with firms like Cisco and CrowdStrike. The model performs roughly on par with Anthropic's Mythos in cyberattack benchmarks, while the White House considers regulating such releases.
OpenAI opens GPT-5.5-Cyber to vetted security researchers
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