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Molmo2-8B vs Claude Opus 4.5 (Reasoning)

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

Molmo2-8BClaude Opus 4.5 (Reasoning)
Intelligence Index7.349.7
Coding Index4.447.8
Math Index—91.3
Output speed (tok/s)0.073.2
Blended price ($/1M)$0.00$10.94
Time to first token (s)0.00s11.69s
aime——
aime 25—91.3%
artificial analysis coding index4.4047.80
artificial analysis intelligence index7.3049.70
artificial analysis math index—91.30
gpqa42.5%86.6%
hle4.4%28.4%
ifbench26.9%58.0%
lcr0.0%74.0%
livecodebench—87.1%
math 500——
mmlu pro—89.5%
scicode13.3%49.5%
tau20.0%89.5%
terminalbench hard0.0%47.0%

Benchmark data from Artificial Analysis.