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Anthropic Claude Fable 5.2 上线 B.AI,长上下文与 Agent 能力再升级

2026-11-10 15:47:42

ChainCatcher 消息,11 月 10 日,B.AI 平台宣布 Anthropic Claude Fable 5.2 正式上线,API 与 Web Chat 双端同步开放。该模型面向复杂推理、软件工程与长周期 Agent 工作流,始终启用自适应思考,配备 1M Token 超大上下文窗口与最高 128K 输出 Token。

据 Artificial Analysis Intelligence Index v5 评分,Claude Fable 5.2 最高配置下以 65 分登顶榜单,远高于同类模型中位数 40 分。生成速度较 Fable 5.1 最高提升 30%,标准价格为每百万输入 Token $8.00、每百万输出 Token $40.00,并支持 Prompt 缓存。欢迎登录 chat.b.ai/chat 体验。

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