Anthropic launches Claude Haiku 5.5: 75% cheaper than Haiku 4.5

scaling01 · x · 2026-10-08

Anthropic officially introduced Claude Haiku 5.5, billed as its cheapest, fastest and most capable small model ever — averaging roughly 75% cheaper to run than Claude Haiku 4.5. Developers like theo reacted with surprise at the sudden release. Expect ripple effects on small-model pricing and high-volume use cases.

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