Anthropic just unveiled Claude Haiku 4.5, its fastest and most efficient small model yet. Haiku 4.5 matches the coding performance of Claude Sonnet 4, once a frontier model, but now runs 2x faster and costs one-third as much. I
Claude Haiku 4.5 awards
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Launches
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Awards
Launch Awards
Claude Haiku 4.5
Launch of the Day
October 17th, 2025