GPT-5.5-Cyber tops the CyberGym leaderboard as Anthropic's best models sit offline under a Trump administration export ban.
OpenAI's GPT-5.5-Cyber has emerged as the top performer on the CyberGym leaderboard. This achievement comes as rival Anthropic's leading models, including Mythos, remain offline due to an export ban imposed by the Trump administration. The ban has sidelined Anthropic's best…
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