The closest alternative to Grok Build 0.1 is Grok 4.3 — comparable intelligence (53.2 vs —); for a cheaper option, MiniMax M3 runs $0.300/M vs $1.00/M; for more speed, Morph V3 Large hits 2.6k t/s; and the best open-weight substitute is MiniMax M3.
Grok 4.3 is the closest alternative to Grok Build 0.1, with an Intelligence Index of 53.2 (Grok Build 0.1 scores —) at $1.25 per million input tokens.
Yes — MiniMax M3 costs $0.300 per million input tokens versus $1.00 for Grok Build 0.1, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Grok Build 0.1 — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.