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 27, 2026, 1:08 PM
Input / 1M
$1.00
Output / 1M
$5.00
Cached input / 1M
$0.10
Prices are USD per million tokens. Prompt-cache pricing is $1.25/MTok for 5-minute writes, $2/MTok for 1-hour writes, and $0.10/MTok for cache hits and refreshes.
Anthropic's official pricing page explicitly lists Claude Haiku 4.5 at $1 per million input tokens and $5 per million output tokens.
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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