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ModelsClaude · XFrom the source· @claudeai·· 9 days agoPicks

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Anthropic releases Claude Haiku 5.5 small model

What happened

Anthropic introduced Claude Haiku 5.5, describing it as the cheapest, fastest, and most capable small model it has released. The company says running it costs around 75% less on average than Claude Haiku 4.5. No pricing figures, benchmarks, or availability details were given in the post.

Why it matters

Anthropic's own announcement states the cost and speed positioning of Claude Haiku 5.5 relative to Haiku 4.5, giving readers the vendor's headline claims for the small model tier.

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