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Claude Sonnet 4.6 (Non-reasoning, High Effort) vs Claude 4.1 Opus (Reasoning)

Anthropic vs Anthropic — side-by-side benchmark comparison

Claude Sonnet 4.6 (Non-reasoning, High Effort)Claude 4.1 Opus (Reasoning)
Intelligence Index44.442.0
Coding Index46.436.5
Math Index80.3
Output speed (tok/s)55.244.5
Blended price ($/1M)$6.56$32.81
Time to first token (s)1.07s8.55s
aime
aime 2580.3%
artificial analysis coding index46.4036.50
artificial analysis intelligence index44.4042.00
artificial analysis math index80.30
gpqa79.9%80.9%
hle13.2%11.9%
ifbench41.2%55.4%
lcr57.7%66.3%
livecodebench65.4%
math 500
mmlu pro88.0%
scicode46.9%40.9%
tau279.5%71.4%
terminalbench hard46.2%34.3%

Benchmark data from Artificial Analysis.