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OpenAI’s internal cyber model hit 77.0% on ExploitGym — nearly double Anthropic’s Mythos 5.2 (39.2%)

TLDR: I concluded two things: 1-OpenAI internal models are out-running Anthropic's. 2-OpenAI's internal models are a massive leap over public ones. The photo is from OpenAI’s Cyber at the Frontier keynote today(high res one). For context, ExploitGym tests whether an AI agent can take a real-world v…

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  1. 2026-11-12 23:18 · r/OpenAI
    OpenAI’s internal cyber model hit 77.0% on ExploitGym — nearly double Anthropic’s Mythos 5.2 (39.2%)

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