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Hugging Face repo claiming a leaked 14T-parameter Anthropic model appears fake

1 article1 sourcesince Nov 2Last article 8h ago ·

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A Hugging Face repo named burner22/numbat, which claims to hold a leaked mid-training checkpoint of a 14-trillion-parameter Anthropic model, appears to be fake, according to an independent check reported by Rohan Paul.

The check found that parts of the weights were produced by a simple random number generator rather than by training.

Paul says the name Numbat matches an unreleased codename exposed in Anthropic's March 2026 Claude Code source leak. He also says the account that uploaded the repo was created a week before the upload.

Written by AI from the articles below · updated Nov 2, 6:01 AM ET

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Latest developmentNov 2, 5:33 AM ET
Hugging Face repo claiming a leaked 14T-parameter Anthropic model appears fake

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The articles in this story. Times are ET.

Nov 2
  1. Rohan PaulX
    Hugging Face repo claiming a leaked 14T-parameter Anthropic model appears fake

    AIRohan Paul reports that a Hugging Face repo called burner22/numbat, with 14 trillion parameters, claims to be a leaked mid-training checkpoint of Anthropic's next Mythos-class model. He says the name Numbat matches an unreleased codename exposed in Anthropic's March 2026 Claude Code source leak, but the account was created a week before the upload. An independent check found parts of the weights were produced by a simple random number generator rather than training.

    Image from @rohanpaul_ai's post

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