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Claude Devs 宣布 Claude Fable 5.1 已在 Claude Code 和 Claude Platform 上线。该版本与 Fable 5 定价相同，API 缓存读取便宜 75%，官方称它在长任务中能走得更远才需要用户输入，也更能说明自己何时卡住，写作风格更自然。其转发的 @claudeai 内容提到同时推出 Claude Fable 5.1 和 Claude Mythos 5.1，称其面向编码与知识工作。
正文
Fable 5.1 is now live in Claude Code and the Claude Platform.
It's priced the same as Fable 5, with 75% cheaper API cache reads. It gets a lot further into a long task before it needs your input, is better at telling you when it's stuck, and its writing style is more natural. https://t.co/1xtB71e3Zw
We’re introducing Claude Fable 5.1 and Claude Mythos 5.1. They're the world’s most advanced models for coding and knowledge work. https://t.co/8P9PSrWPi3在 X 查看被引用的帖子
来源：@ClaudeDevs · x.com