Claude Haiku 5.5 Released with 75% Lower Running Costs
October 7, 2026
Claude Haiku 5.5 provides a high-speed, low-cost option for repetitive workloads like classification and summarization. Running costs are reduced by 75% compared to Haiku 4.5, and Sonnet 5.5 cache read prices have been halved to improve agentic workflow economics.
HOW THIS AFFECTS YOU
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builderYou can significantly reduce latency and token spend for high-volume subagent tasks.
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founderThis improves margins for agentic applications relying on frequent context caching.