LLM2026-02-15

Claude Haiku 4.5

Claude Haiku 4.5 is the fastest and cheapest model in the Claude 4 family.

Overview

Optimized for high-volume, low-cost tasks.

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Sub-second responses

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Low cost

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Reliable agentic behavior

MMLU Score

82%

HumanEval (Coding)

80%

GPQA Diamond

70%

MATH Benchmark

75%

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Context200,000 tokens

Paramsunknown

LicenseProprietary

ArchTransformer

$0.25 / 1M input tokens

Output: $1.25 / 1M tokens

✓ Free tier available

AI safety company behind Claude — one of the world's top-performing LLM families.

Prompt Library

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