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GPT-5.5 (high) vs Claude 3.5 Sonnet (June '24)

OpenAI vs Anthropic — side-by-side benchmark comparison

GPT-5.5 (high)Claude 3.5 Sonnet (June '24)
Intelligence Index58.914.2
Coding Index58.526.0
Math Index
Output speed (tok/s)66.70.0
Blended price ($/1M)$11.25$6.56
Time to first token (s)16.72s0.00s
aime9.7%
aime 25
artificial analysis coding index58.5026.00
artificial analysis intelligence index58.9014.20
artificial analysis math index
gpqa93.2%56.0%
hle43.0%3.7%
ifbench71.6%
lcr73.3%
livecodebench
math 50069.5%
mmlu pro75.1%
scicode55.9%31.6%
tau293.0%
terminalbench hard59.8%

Benchmark data from Artificial Analysis.