Claude Haiku 4.5
anthropic/claude-4.5-haiku-20251001
Usage data date 2026-07-26 · updated daily
Usage and specs
What is Claude Haiku 4.5
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and computer-use tasks, Haiku 4.5 brings frontier-level capability to real-time and high-volume applications. It introduces extended thinking to the Haiku line; enabling controllable reasoning depth, summarized or interleaved thought output, and tool-assisted workflows with full support for coding, bash, web search, and computer-use tools. Scoring >73% on SWE-bench Verified, Haiku 4.5 ranks among the world’s best coding models while maintaining exceptional responsiveness for sub-agents, parallelized execution, and scaled deployment.
Claude Haiku 4.5 capabilities
Input: Text、Image、File Output: Text
Claude Haiku 4.5 API pricing
List prices in USD; see each provider’s site for current terms.
