Claude 4.5 Haiku

by Anthropic

Released · 16 days after Claude Sonnet 4.5

Key info

Context window
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Max output
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Input price
$1.00 /1M
Output price
$5.00 /1M

Prices are the median across providers tracked by Artificial Analysis, not Opper billing.

Benchmarks

Independent benchmark scores: the Intelligence Index and the individual evaluations behind it, grouped by skill.

Global rank#52 of 511 LLMs
TierEfficient
Output speed84 tok/s
Intelligence Index7.4
Coding0.2
Agentic1.6
Coding
FrontierCode 2.0
0%
Terminal-Bench 4.0
0%
SciCode
42%
LiveCodeBench
62%
Agentic & knowledge work
AutomationBench
3%
GDPval
12%
GDP.pdf
4%
Briefcase (Elo)617
Terminal-Bench Hard
27%
τ²-Bench Telecom
55%
Science & reasoning
Terminal-Bench Science
0%
CritPt (hard)
2%
HLE Diamond
5%
Humanity's Last Exam
10%
GPQA Diamond
67%
Long-context reasoning
74%
Knowledge
Omniscience-1.8
MMMU-Pro
59%
MMLU-Pro
80%
Math & instruction following
AIME 2025
84%
IFBench
54%
By domain
Finance & accounting
19.4
Legal
18.0
Healthcare & medical
12.1
Engineering
17.0
Economics
19.1
Strategy & operations
11.2

Available routes

No routes currently available — Claude 4.5 Haiku isn't routed through the Opper gateway right now. It's tracked here for its release history.

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