https://effecthub.net/news/claude-fable-5-2-fermat-last-theoremEffectHuben2026-11-10T07:29:00ZAnthropic launches Claude Fable 5.2 and says it formalized Fermat's Last Theorem in 30 hours https://effecthub.net/news/anthropic-project-eve-claude-saboteurEffectHuben2026-11-09T07:30:00ZAnthropic's Project EVE: Claude teammates almost never caught a secret saboteur