For months, the most interesting model at Anthropic was one we could not use. Mythos was the internal...

Mythos has already shown what it can do when it is not heavily restricted. Since April, when an earlier preview was sent to about 150 organizations under...

Anthropic's new Mythos-class model leads on coding benchmarks but deliberately defers to a safer predecessor in restricted domains. That design choice says more than the score.

Stay cool: Mythos 5 is an upgrade over Mythos Preview while Fable 5 is Mythos "made safe for general use," Anthropic explained.

Three days ago, Anthropic released Claude Fable 5 — their first publicly available Mythos-class...

For months, the most interesting model at Anthropic was one we could not use. Mythos was the internal...