The closest alternative to Command A is GLM 4.7 Flash — comparable intelligence (22.9 vs 22.5); for a cheaper option, GPT-5.6 Terra runs $1.25/M vs $2.50/M; and the best open-weight substitute is Kimi K3.
GLM 4.7 Flash is the closest alternative to Command A, with an Intelligence Index of 22.9 (Command A scores 22.5) at $0.060 per million input tokens.
Yes — GPT-5.6 Terra costs $1.25 per million input tokens versus $2.50 for Command A, while staying within ~8 points of its Intelligence Index.
Kimi K3 is the strongest open-weight alternative to Command A — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.