Claude Haiku 4.5
Fast, capable, and cost-effective.
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 · Nov 12, 2026, 7:26 AM
Input / 1M
$1.00
Output / 1M
$5.00
Cached input / 1M
$0.10
Anthropic official API pricing. Prompt cache writes: $1.25/MTok for 5-minute writes and $2/MTok for 1-hour writes. Standard cache hits/refreshes: $0.10/MTok.
Anthropic's official pricing documentation explicitly lists Claude Haiku 4.5 at $1 per million base input tokens and $5 per million output tokens. Cache pricing is also specified; standard cache reads are $0.10/MTok, 5-minute writes $1.25/MTok, and 1-hour writes $2/MTok.
Model Intelligence
Arena ranking
15
Benchmarkable
Yes
Model level
release
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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