Organization
Model explorer
StepFun
ReleasedModelParamsCtxElo
May 2026Step 3.7 FlashOPEN198B·11Ba262K2228.0Jul 2025Step-3OPEN321B·38Ba64K1628.1Sep 2024Step-1VCLOSED—32K1978.9Jul 2024Step-2CLOSED1000B16K—Mar 2024Step-1CLOSED100B256K—Release cadence
Tracked releases per quarter
1
'24 Q1
2
'24 Q3
1
'25 Q3
1
'26 Q2