MiniMax vs StepFun

Verdict

MiniMax's flagship leads: MiniMax M3 at 57.0 vs Step 3.5 Flash at 55.0.
MiniMax has the better model in 3 of 4 price bands.
StepFun's fastest ranked model (Step 3.5 Flash, 216 tok/s) beats MiniMax's (MiniMax M3, 88 tok/s).
MiniMax publishes more open-weights models (7 vs 3).
MiniMax ships more often: one model every 75 days against every 406.

Best model per price band

Each provider’s highest-index model below the price ceiling. Purple marks the winner of the band.

Data as of 10 Sept 2026. See MiniMax and StepFun in full.