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Olmo 3.1 32B Instruct vs GPT-5 mini (high)

Allen Institute for AI vs OpenAI — side-by-side benchmark comparison

Olmo 3.1 32B InstructGPT-5 mini (high)
Intelligence Index12.241.2
Coding Index5.635.3
Math Index—90.7
Output speed (tok/s)0.096.1
Blended price ($/1M)$0.00$0.69
Time to first token (s)0.00s77.65s
aime——
aime 25—90.7%
artificial analysis coding index5.6035.30
artificial analysis intelligence index12.2041.20
artificial analysis math index—90.70
gpqa53.9%82.8%
hle4.9%19.7%
ifbench39.2%75.4%
lcr0.0%68.0%
livecodebench—83.8%
math 500——
mmlu pro—83.7%
scicode16.7%39.2%
tau221.3%68.4%
terminalbench hard0.0%33.3%

Benchmark data from Artificial Analysis.