CLAIM-2026-08-22-07

Mythos 5 settled the incompatible-goals scenario by truce in 98 percent of runs, while Sonnet 4.6 and Opus 4.6 mostly ended by force or remained unsettled.

Why it matters

The spread across model generations means the behaviour is a property of the setup that better models mitigate rather than eliminate - and most production fleets are not on the newest model.

Sources

• anthropic2026patterns