The closest alternative to Devstral 2 2512 is INTELLECT-3 — comparable intelligence (22.2 vs 22.0); for a cheaper option, MiniMax M3 runs $0.300/M vs $0.400/M; for more speed, gpt-oss-120b (free) hits 627 t/s; and the best open-weight substitute is MiniMax M3.
INTELLECT-3 is the closest alternative to Devstral 2 2512, with an Intelligence Index of 22.2 (Devstral 2 2512 scores 22.0) at $0.200 per million input tokens.
Yes — MiniMax M3 costs $0.300 per million input tokens versus $0.400 for Devstral 2 2512, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Devstral 2 2512 — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.