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Grok 4.3 (high) vs Claude 4.1 Opus (Reasoning)

xAI vs Anthropic — side-by-side benchmark comparison

Grok 4.3 (high)Claude 4.1 Opus (Reasoning)
Intelligence Index53.242.0
Coding Index41.036.5
Math Index80.3
Output speed (tok/s)161.044.5
Blended price ($/1M)$1.56$32.81
Time to first token (s)22.30s8.55s
aime
aime 2580.3%
artificial analysis coding index41.0036.50
artificial analysis intelligence index53.2042.00
artificial analysis math index80.30
gpqa90.1%80.9%
hle35.0%11.9%
ifbench81.3%55.4%
lcr64.3%66.3%
livecodebench65.4%
math 500
mmlu pro88.0%
scicode47.3%40.9%
tau297.7%71.4%
terminalbench hard37.9%34.3%

Benchmark data from Artificial Analysis.