Anthropic's Model 2 is multiple releases ahead of publicly available models for internal purposes

The jump from Opus 4.6 to Mythos Preview was big. Several release cycles big. We get a lot more data throughout the report, but given Model 2 gets that comparison point, one would presume that for internal purposes Model 2 is multiple releases ahead.

https://thezvi.substack.com/p/anthropic-risk-report-august-2026