Machine Heart

Aug 14, 2026 · Artificial Intelligence

Anthropic’s Leaked Model 2: A Stronger Internal Model Than Mythos 5

Anthropic’s newly released 186‑page Risk Report reveals Model 2, an internal AI that outperforms Claude Mythos 5 on internal benchmarks, is already heavily used for coding and data generation, and highlights a series of safety‑process failures and bio‑risk gaps within the company’s R&D pipeline.