StepFun
1 ranked models in a catalog of 4 text models. Step 3.5 Flash leads this lab at #98 overall.
Ranked models
Global ranks · current snapshot| Rank | Model | SI Score | coding | math | reasoning | preference | Confidence | Blended price | Context | Released |
|---|---|---|---|---|---|---|---|---|---|---|
| #98 | Step 3.5 FlashOpen weights | 53.0 | 50.9 | — | — | 73.4 | 88% | $0.15 | 256K | Jan 29, 2026 |
Pillars use a 0–100 scale. * marks an imputed neutral prior where the model has no scored results in that pillar; it is not a measured benchmark result. Prices are USD per 1M tokens; see the blend and price comparison.
Scores and releases
Provisional models
3 awaiting rank-eligible evidence- Step 5 Preview
Results cover 1 pillar; at least 2 required
- Step 3.7 Flash
Evidence completeness 13.0%; at least 50% required
- Step 3.5 Flash 2603
Results cover 1 pillar; at least 2 required