The closest alternative to Kimi K2 0905 is Claude Haiku 4.5 — comparable intelligence (31.0 vs 30.9); for a cheaper option, MiniMax M3 runs $0.300/M vs $0.600/M; for more speed, gpt-oss-120b (free) hits 554 t/s; and the best open-weight substitute is MiniMax M3.
Claude Haiku 4.5 is the closest alternative to Kimi K2 0905, with an Intelligence Index of 31.0 (Kimi K2 0905 scores 30.9) at $1.00 per million input tokens.
Yes — MiniMax M3 costs $0.300 per million input tokens versus $0.600 for Kimi K2 0905, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Kimi K2 0905 — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.