Inference Index
All models
Directory · Models · Anthropic
Claude 4.x

Claude Haiku 4.5

Fast, cheap, and smart enough for most routing and extraction tasks. Great base model for subagents.

Input / 1M
$0.80
Output / 1M
$4.00
Context
200K
Released
Oct 1, 2025

Benchmark profile

MMLU-ProHumanEvalSWE-BenchMATHIFEvalARC-AGI
Profile
MMLU-Pro81.4%
HumanEval87.0%
SWE-Bench49.2%
MATH76.8%
IFEval87.3%
ARC-AGI76.8%

Scores

Editorial

Strengths
  • +Sub-second latency
  • +10x cheaper than Opus
  • +Strong structured output
Trade-offs
  • Not meant for complex multi-step reasoning

Price history (last 90 days)

Input / 1M
Output / 1M
04-1804-2705-0605-1605-2506-0306-13$0.00$1.33$2.67$4.00

What this costs to use

All task cards →

Recommended alternatives

Where to buy

All providers →
Input pricing · $/1M tokens · sorted cheapest first

Where to use it

All interfaces →