Open SLM Intelligence Index

Higher is better

Score / 30

SmolLM2-135M27.13
GPT-X2.5-135M25.17
BananaMind-2-Pro24.96
Supra2-100M-Base19.41
Speck1-140M18.15

Pretraining tokens

Lower means fewer tokens

Log scale

SmolLM2-135M~2T
BananaMind-2-Pro100B
GPT-X2.5-135M75B
Supra2-100M-Base30B
Speck1-140M5B

Scores use a pinned Open SLM configuration. Speck is not yet a published leaderboard row, and training budgets are not compute-matched.