Claude 4.5 Haiku
Released · 16 days after Claude 4.5 Sonnet
Key info
Context window
—
Max output
—
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 — composite indices for reasoning, coding, and math, plus individual eval scores where available.
Intelligence Index24.1
Math Index39.0
Reasoning & knowledge
MMLU-Pro
80%
GPQA Diamond
65%
Humanity's Last Exam
4%
Long-context reasoning
48%
Coding
LiveCodeBench
51%
SciCode
34%
Agentic & tool use
Terminal-Bench Hard
27%
τ²-Bench Telecom
32%
Math & instruction following
AIME 2025
39%
IFBench
42%
See full leaderboard →Benchmarks via Artificial Analysis · View on AA
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.
Contact us about this model →