Fable 5.1 leads in external benchmarks, while Mythos 5.1 is designed to handle more cyber tasks with loosened safety mechanisms.
Astra vs Fable 5.1 compares the top AI website builders across 50 one-shot prompt tests to reveal which model delivers the ...
Claude Fable 5.1 system card reveals a publicly available AI that outperforms the formerly restricted Mythos Preview on stealth evaluations -- marking the first CB-1 dangerous-capability designation ...