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OLMo 2 7B vs Qwen3.5 27B (Reasoning)

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

OLMo 2 7BQwen3.5 27B (Reasoning)
Intelligence Index9.342.1
Coding Index1.234.9
Math Index0.7
Output speed (tok/s)0.084.3
Blended price ($/1M)$0.00$0.82
Time to first token (s)0.00s1.37s
aime
aime 250.7%
artificial analysis coding index1.2034.90
artificial analysis intelligence index9.3042.10
artificial analysis math index70.0%
gpqa28.8%85.8%
hle5.5%22.2%
ifbench24.4%75.6%
lcr0.0%67.3%
livecodebench4.1%
math 500
mmlu pro28.2%
scicode3.7%39.5%
tau20.0%93.9%
terminalbench hard0.0%32.6%

Benchmark data from Artificial Analysis.