The closest alternative to KAT-Coder-Pro V2 is GLM 5.1 — comparable intelligence (43.8 vs 43.8); for a cheaper option, MiniMax M2.7 runs $0.250/M vs $0.300/M; for more speed, GLM 4.7 hits 427 t/s; and the best open-weight substitute is MiniMax M3.
GLM 5.1 is the closest alternative to KAT-Coder-Pro V2, with an Intelligence Index of 43.8 (KAT-Coder-Pro V2 scores 43.8) at $0.980 per million input tokens.
Yes — MiniMax M2.7 costs $0.250 per million input tokens versus $0.300 for KAT-Coder-Pro V2, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to KAT-Coder-Pro V2 — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.