Anthropic 发布 Claude Haiku 5.5，称为其迄今最便宜、最快的小模型，10 万 token 以内提示词成本比 Haiku 4.5 低约 75%，最高可低 90%。
原文汇总了 Haiku 5.5 相对前代的价格降幅和多项目跑分变化，读者可据此评估小模型在新任务上的可用性。
Anthropic dropped Haiku 5.5
> costs 90% less than Haiku 4.5 on prompts up to 100K tokens.
> Haiku 5.5 adds the first Haiku effort setting, trading cost for accuracy, but Anthropic still recommends Sonnet 5.5 and Opus 5.5 for complex agentic coding such as Terminal-Bench 4.0 tasks.
> Asana reported over 30% lower task-completion latency and up to 2.5x faster inference per agent turn than its current model.
> On OSWorld 2.1, which tests whether an AI agent can operate a real computer to finish long multi-step tasks, Haiku 5.5 jumped from Haiku 4.5's 15.7% to 72.4%.
On Chartography, a visual reasoning test of reading and interpreting charts without tools, it rose from 6.4% to 46.4%.
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
来源：Rohan Paul · x.com