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Claude Haiku 4.5

Claude Haiku 4.5 is Anthropic's fastest, most cost-efficient model, matching Sonnet 4's performance on coding, computer use, and agent tasks. It offers similar performance to Sonnet 4 at one-third the

Claude Haiku 4.5 is Anthropic's fastest, most cost-efficient model, matching Sonnet 4's performance on coding, computer use, and agent tasks. It offers similar performance to Sonnet 4 at one-third the cost and more than twice the speed, making it ideal for high-volume, latency-sensitive applications and multi-agent orchestration.

LLMs
Free tier

Intelligence

Popularity49/100
Monthly visits
Growth
Updated2026-05-21

Features

GPQA
MMLU
MMLU-Pro
AIME 2025
MATH
HumanEval

Pros

    Cons

      Use cases

      API inference · Fine-tuning · Benchmarking

      AI models used

      Claude Haiku 4.5

      FAQ

      How much does Claude Haiku 4.5 cost?

      Free tier

      Does Claude Haiku 4.5 have a free plan?

      Limited or no free tier

      Is there an API?

      Yes