The closest alternative to MiniMax M3 is MiMo-V2.5-Pro — comparable intelligence (53.8 vs 54.7); for a cheaper option, MiniMax M2.7 runs $0.250/M vs $0.300/M; for more speed, MiniMax M2.7 hits 247 t/s; and the best open-weight substitute is MiMo-V2.5-Pro.
MiMo-V2.5-Pro is the closest alternative to MiniMax M3, with an Intelligence Index of 53.8 (MiniMax M3 scores 54.7) at $0.435 per million input tokens.
Yes — MiniMax M2.7 costs $0.250 per million input tokens versus $0.300 for MiniMax M3, while staying within ~8 points of its Intelligence Index.
MiMo-V2.5-Pro is the strongest open-weight alternative to MiniMax M3 — downloadable from Hugging Face and self-hostable, scoring 53.8 on intelligence.