Anthropic’s Claude Haiku 4.5 is a fast, lower-cost Claude language-model release intended for agentic and coding-oriented workloads.
Pricing
Official site · Sep 24, 2026, 1:07 PM
Input / 1M
$1.00
Output / 1M
$5.00
Cached input / 1M
$0.10
MTok means million tokens. Cache-hit/refresh pricing is $0.10/MTok; cache writes are $1.25/MTok for 5 minutes and $2/MTok for 1 hour.
Anthropic's official pricing table lists Claude Haiku 4.5 at $1 per million base input tokens and $5 per million output tokens. Prompt-cache reads are $0.10 per million tokens; 5-minute and 1-hour cache writes are $1.25 and $2 per million tokens, respectively.
Model Intelligence
Arena ranking
15
Benchmarkable
Yes
Model level
release
Intelligence Index
15.4
Math Index
39
MMLU Pro
0.8
GPQA
0.65
HLE
0.04
LiveCodeBench
0.51
AIME 2025
0.39
IFBench
0.42
LCR
0.5
TerminalBench Hard
0.27
TAU2
0.32
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