Anthropic's Mythos-class model allegedly leaked on Hugging Face 💀

An alleged Anthropic Mythos-class training checkpoint has reportedly surfaced on Hugging Face under the repository burner22/numbat. The leak claims the model has 14 trillion parameters, 1,224 MoE experts, and 7.72 TB of weights across 772 shards, utilizing a Hybrid GDN + MLA architecture. The repository also includes architecture code, configurations, and training metadata. However, there is no independent verification yet regarding the authenticity of these Anthropic weights.

This report is the first to detail the alleged specifications of Anthropic's Mythos-class model, including its 14 trillion parameters and 7.72 TB of weights, unlike previous general mentions of its existence.