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GPT-5.5 (xhigh) vs Molmo2-8B

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

GPT-5.5 (xhigh)Molmo2-8B
Intelligence Index60.27.3
Coding Index59.14.4
Math Index
Output speed (tok/s)58.70.0
Blended price ($/1M)$11.25$0.00
Time to first token (s)37.14s0.00s
aime
aime 25
artificial analysis coding index59.104.40
artificial analysis intelligence index60.207.30
artificial analysis math index
gpqa93.5%42.5%
hle44.3%4.4%
ifbench75.9%26.9%
lcr74.3%0.0%
livecodebench
math 500
mmlu pro
scicode56.1%13.3%
tau293.9%0.0%
terminalbench hard60.6%0.0%

Benchmark data from Artificial Analysis.