Anthropic launches Claude Haiku 5.5: 75% cheaper than Haiku 4.5, first Haiku with adjustable effort

gaganghotra_ · x · 2026-10-08

Anthropic officially released Claude Haiku 5.5, calling it its cheapest, fastest, and most capable small model yet:

The news was amplified by testingcatalog citing the official announcement — a notable pick for cost-sensitive, high-volume, and agentic workloads.

Related event: Anthropic Launches Claude Haiku 5.5 at 75% Lower Cost(32 posts)→

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