With 75% cheaper cache, Anthropic's new Fable 5.1 and Mythos 5.1 reduce the cost of agents – Anthropic
Anthropic featured Claude Fable 5.1 and Claude Mythos 5.1, its strongest models to date. This is the same underlying model in two versions: Fable 5.1 is generally available with active safety safeguards, while Mythos 5.1 is only offered to verified cybersecurity and bioscience organisations. In the company's benchmarks, Fable 5.1 stands out [...]





