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Anthropic releases Claude Haiku 5.5: major gains in computer use, but still behind Sonnet 5.5 on complex coding

Claude Haiku 5.5 降本背后:操作能力暴涨,复杂编程为何仍差一截?

Who
anthropic
When

What happened

Anthropic released Claude Haiku 5.5. Its OSWorld 2.1 score rose from 15.7% in the previous generation to 72.4%, average operating costs fell by about 75%, and the Haiku line gained adaptive reasoning and a 1-million-token context window for the first time.

Reported by 6 sources

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