OpenAI has launched GPT-5.5-Cyber, an updated model for its Daybreak cybersecurity initiative. This new model reportedly outperforms Anthropic's Mythos on cybersecurity benchmarks. OpenAI is also expanding its partner network to include over 25 security firms and several governments, with a focus on automated vulnerability patching. AI
IMPACT This specialized model release could accelerate AI adoption in cybersecurity for automated vulnerability patching and threat detection.
RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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