Claude 4 Sonnet

by Anthropic

Released · 87 days after Claude 3.7 Sonnet

Benchmarks

Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.

Intelligence Index16.6
Math Index38.0
Reasoning & knowledge
MMLU-Pro
84%
GPQA Diamond
68%
Humanity's Last Exam
4%
Long-context reasoning
44%
Coding
LiveCodeBench
45%
Agentic & tool use
Terminal-Bench Hard
27%
τ²-Bench Telecom
52%
Math & instruction following
AIME 2025
38%
IFBench
45%

Available routes

No routes currently available — Claude 4 Sonnet isn't routed through the Opper gateway right now. It's tracked here for its release history.

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