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Claude 4.5 Haiku

Claude 4.5 Haiku is an AI model from Anthropic.

Publisher
Anthropic
Family
Claude
Context
200K
Input
Output
Released
15 Oct 2025

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Notes

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Attribution

Benchmark scores
dabstep-orgAASWE-benchVals AI
Attribution policy →
Context
200K
Input
$1.25
/1M tok
Output
$5
/1M tok
Blended
$2.19
#345/ 414/1M · 3:1
Speed
106
#103/ 414tok/s

Price & speed via Artificial Analysis · ranked across tracked models

Reported on 22 evals across 11 domains - best 90.0% on DABstep · #2 of 24

Reported eval scores

22
DABstep90
τ²-bench (Tau²-bench)32.5
MedScribe85.2
MedCode32.7
Terminal-Bench (Hard)27.3
IFBench42
SWE-bench Multilingual64.7
MMLU-Pro80
Humanity's Last Exam (HLE)4.3
Vals Index40.3
LiveCodeBench51.1
SWE-bench Verified66.6
SciCode34.4
GPQA Diamond64.6
CorpFin v260.3
MortgageTax62.2
TaxEval v267.5
Finance Agent (v2)31
AIME 2025: Problems from the American Invitational Mathematics Examination39
Vibe Code Bench v1.111.4
Vals Multimodal Index42.4
SAGE31.8