Anthropic’s Model 2 Beats Mythos 5, But the Public Will Not Get It

Anthropic has disclosed an internal artificial intelligence (AI) model called Model 2 that outperforms Claude Mythos 5 on many tasks. The company said it has no plans to release it publicly.

The disclosure appears in Anthropic’s August 2026 risk report, the second filing of its kind. The same document raised the company’s rating for catastrophic misalignment risk.

Model 2 Outperforms Mythos 5…