Anthropic launches Claude Haiku 5.5: 75% cheaper than Haiku 4.5 with 100k context

bcherny · x · 2026-10-08

Anthropic released Claude Haiku 5.5, billed as its cheapest, fastest, and most capable small model yet, running on average 75% cheaper than Haiku 4.5.

Developer bcherny called it "a good Haiku," noting the 100k token context window and that it costs 10x less than Haiku 4.5.

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

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