The closest alternative to GLM 4.6V is GPT-5.4 Mini — comparable intelligence (23.3 vs 23.4); for a cheaper option, MiniMax M2.7 runs $0.250/M vs $0.300/M; for more speed, GLM 4.7 hits 452 t/s; and the best open-weight substitute is MiniMax M3.
GPT-5.4 Mini is the closest alternative to GLM 4.6V, with an Intelligence Index of 23.3 (GLM 4.6V scores 23.4) at $0.750 per million input tokens.
Yes — MiniMax M2.7 costs $0.250 per million input tokens versus $0.300 for GLM 4.6V, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to GLM 4.6V — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.