Claude Fable 5.1 + Mythos 5.1 发布 缓存价格更低

作者：#purr 板块：#前沿快讯 Claude Platform Docs What's new in Claude Fable 5.1 Overview of new features, breaking changes, and capability improvements in Claude Fable 5.1 and Claude Mythos 5.1. Claude Platform Docs Claude Fable 5.1 Claude Fable 5.1 at a glance: what it's for, model IDs on every platform, context window, output limits, pricing, availability, and resources for building with it.