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Claude Sonnet 5.5 正式登陆 B.AI,API 与 Web Chat 双端开放

2026-09-29 16:55:58

ChainCatcher 消息,9 月 29 日,B.AI 宣布 Anthropic 最新 Sonnet 模型 Claude Sonnet 5.5 正式登陆平台。作为 Claude Opus 5.5 更快、更低成本的补充,Claude Sonnet 5.5 输出速度提升 30% 以上,单任务成本最高降低约 30%,面向边界清晰的软件工程、日常 Agent 工作流与专业文档创作场景。

该模型支持图像与 PDF 理解,可生成报告、演示文稿、电子表格与 UI,并提供五档可调推理强度与 100 万 Token 上下文窗口,且长上下文不另收费。目前,B.AI API 与 Web Chat 双端已同步开放,开发者与用户可直接调用这一兼顾速度、成本与长上下文能力的新一代 Sonnet 模型。

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