Claude Haiku 4.5

The fastest, most affordable coding model

376 votes·7 comments·Oct 17, 2025

Artificial Intelligence Development No-Code

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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