AI 导读
Anthropic 的 Claude Fable 5.1 已在 Claude 和 Claude Code 上线。该模型需额外消耗用量额度，定价与 Fable 5 相同，API 缓存读取费用降低 75%。据引用内容，Fable 5.1 在 Terminal-Bench-Science 0.1 得分 52.6%，在 Terminal-Bench 4.0 得分 55.8%（Fable 5 为 42.0%）；官方描述其会用平实语言写作、生成完整表格并逐个核对数字，同时标注来源并区分已知与估算内容。
正文
ANTHROPIC 🔥: Fable 5.1 is now available on Claude and Claude Code.
It requires extra usage credits while priced the same as Fable 5, with 75% cheaper API cache reads.
> Writes in plain language and sticks to what you asked for.
> Creates finished spreadsheets and checks each number as it goes.
> Shows its sources and separates what's known from what's estimated.
BREAKING 🔥: Anthropic has announced Claude Fable 5.1 and Claude Mythos 5.1! > It scores 52.6% on Terminal-Bench-Science 0.1, more than double Fable 5. > On Terminal-Bench 4.0, it scores 55.8% against 42.0% for Fable 5. Rolling out on Claude now 👀 https://t.co/hxIt2yHzud https://t.co/SsGvoiWNvh在 X 查看被引用的帖子
来源：@testingcatalog · x.com