Anthropic Report Leaks 'Model 2', Slightly Stronger Than Claude 3.5 Sonnet

ChrisGPT · x · 2026-08-15

Anthropic's latest report reveals an internal "Model 2" classified as Mythos-tier, slightly outperforming Claude 3.5 Sonnet (Mythos 5). The model is currently internal-only and hasn't undergone full pre-deployment assessments, so the capability comparison remains preliminary.

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