The closest alternative to Grok 4.20 Multi-Agent is Grok Build 0.1 — comparable intelligence (— vs —); for a cheaper option, MiniMax M3 runs $0.300/M vs $1.25/M; for more speed, Morph V3 Large hits 2.6k t/s; and the best open-weight substitute is MiniMax M3.
Grok Build 0.1 is the closest alternative to Grok 4.20 Multi-Agent, with an Intelligence Index of — (Grok 4.20 Multi-Agent scores —) at $1.00 per million input tokens.
Yes — MiniMax M3 costs $0.300 per million input tokens versus $1.25 for Grok 4.20 Multi-Agent, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Grok 4.20 Multi-Agent — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.