Claude Haiku 4.5
Claude Haiku 4.5 is the fastest and most cost-efficient model in Anthropic’s Claude 4.5 family, launched October 15, 2025. It delivers high-throughput performance ideal for production applications, maintaining strong instruction-following and code completion at substantially faster speeds than larger Claude variants. Despite its efficiency focus, Haiku 4.5 retains the agentic improvements of the 4.5 generation including improved tool use and computer-use capabilities. Priced at $0.80/$4 per million tokens, it is one of the most affordable frontier-class models available.
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