The closest alternative to Kimi K2 0711 is GPT-4.1 — comparable intelligence (19.4 vs 19.4); for a cheaper option, GPT-5.6 Luna runs $0.100/M vs $0.570/M; and the best open-weight substitute is Kimi K3.
GPT-4.1 is the closest alternative to Kimi K2 0711, with an Intelligence Index of 19.4 (Kimi K2 0711 scores 19.4) at $2.00 per million input tokens.
Yes — GPT-5.6 Luna costs $0.100 per million input tokens versus $0.570 for Kimi K2 0711, while staying within ~8 points of its Intelligence Index.
Kimi K3 is the strongest open-weight alternative to Kimi K2 0711 — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.