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