The closest alternative to Mistral Small 3.1 24B is Mistral Medium 3.5 — comparable intelligence (39.2 vs —); for a cheaper option, MiniMax M3 runs $0.300/M vs $0.351/M; for more speed, Morph V3 Large hits 3.1k t/s; and the best open-weight substitute is MiniMax M3.
Mistral Medium 3.5 is the closest alternative to Mistral Small 3.1 24B, with an Intelligence Index of 39.2 (Mistral Small 3.1 24B scores —) at $1.50 per million input tokens.
Yes — MiniMax M3 costs $0.300 per million input tokens versus $0.351 for Mistral Small 3.1 24B, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Mistral Small 3.1 24B — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.