MiniMax vs Upstage

Verdict

Their flagships are level: MiniMax M3 57.0 vs Solar Pro 4 56.2.
MiniMax has the better model in 3 of 4 price bands.
Upstage's fastest ranked model (Solar Pro 3, 149 tok/s) beats MiniMax's (MiniMax M3, 88 tok/s).
MiniMax publishes more open-weights models (7 vs 2).
MiniMax ships more often: one model every 75 days against every 191.

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 Upstage in full.