Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work

Anthropic has launched Claude Fable 5.1 and Mythos 5.1 with lower prices and changes addressing privacy and safety concerns. Fable 5.1 is available on all platforms, while Mythos 5.1 remains limited to Project Glasswing participants.

Anthropic 推出了 Claude Fable 5.1 和 Mythos 5.1，通过降价及相关改进回应用户对隐私和安全限制的担忧。Fable 5.1 已在所有平台上线，而 Mythos 5.1 仍仅向 Project Glasswing 参与者开放。