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Claude Haiku 4.5

Released October 15, 2025

ReasoningVision (Image)Tool Use

Claude Haiku 4.5 matches Sonnet 4's performance on coding, computer use, and agent tasks at substantially lower cost and faster speeds. It delivers near-frontier performance and Claude’s unique character at a price point that works for scaled sub-agent deployments, free tier products, and intelligence-sensitive applications with budget constraints.

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Context window
200K tokens
Maximum output
64K tokens
Input pricing
$1.00/M
Output pricing
$5.00/M

Independent benchmark

LiveBench historical snapshot

50.9overall

Historical benchmark data from LiveBench, release 2025-12-23. Scores are pinned and are not fetched on page load.

Claude Haiku 4.5 LiveBench category scores
CategoryScore
Reasoning33.938
Coding72.168
Agentic Coding33.333
Mathematics75.962
Data Analysis66.194
Language57.046
Instruction Following17.754

Benchmarks measure selected evaluation tasks and do not guarantee performance for every prompt or workflow.

FAQ

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