Didn’t they already? Mythos isn’t even SOTA according to Anthropic (they point at GPT 5.5), and third party benchmarks have massive error bars where Fable, GPT

Didn’t they already? Mythos isn’t even SOTA according to Anthropic (they point at GPT 5.5), and third party benchmarks have massive error bars where Fable, GPT 5.5 and GLM 5.2 overlap.