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Anthropic 发布 Claude Haiku 5.5，称其为迄今最快、最便宜的小模型，运行成本平均比 Claude Haiku 4.5 低约 75%。它是首个带可调 effort 设置的 Haiku 模型，在 Computer Use 和 Agentic Coding 等基准上较前代大幅提升，如 OSWorld 2.1 达 72.4%、Terminal-Bench 4.0 达 39.2%。
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BREAKING 🔥: Anthropic released Claude Haiku 5.5, its fastest and cheapest model to date.
Haiku 5.5 costs 75% less to run than Haiku 4.5!
It is the first Haiku model to have an adjustable effort setting.
On benchmarks, it is a big leap in performance at Computer Use and Agentic Coding across the group.
Introducing Claude Haiku 5.5: the cheapest, fastest, and most capable small model we’ve ever released. On average, it costs around 75% less to run than Claude Haiku 4.5.在 X 查看被引用的帖子
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