The closest alternative to Qwen3 Coder Plus is Qwen3.7 Plus — comparable intelligence (53.3 vs —); for a cheaper option, MiniMax M3 runs $0.300/M vs $0.650/M; for more speed, Morph V3 Large hits 2.6k t/s; and the best open-weight substitute is MiniMax M3.
Qwen3.7 Plus is the closest alternative to Qwen3 Coder Plus, with an Intelligence Index of 53.3 (Qwen3 Coder Plus scores —) at $0.320 per million input tokens.
Yes — MiniMax M3 costs $0.300 per million input tokens versus $0.650 for Qwen3 Coder Plus, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Qwen3 Coder Plus — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.