Unverified Leak of Alleged Anthropic Mythos Class Model Checkpoint
November 1, 2026
A Hugging Face repository containing an 8-bit safetensors model labeled numbat has surfaced, with claims suggesting it is a leaked Anthropic Mythos class checkpoint. The repository metadata includes custom code and specific token configurations, though the authenticity of the weights remains unconfirmed.
HOW THIS AFFECTS YOU
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researcherYou should exercise caution before downloading or evaluating these weights due to potential authenticity or safety issues.
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investorVerify the legitimacy of such leaks as they impact the perceived security posture of major AI labs.