The closest alternative to Qwen3 Coder Next is DeepSeek V3.1 Terminus — comparable intelligence (28.5 vs 28.3); for a cheaper option, Nemotron 3 Ultra (free) runs Free/M vs $0.110/M; for more speed, gpt-oss-120b (free) hits 554 t/s; and the best open-weight substitute is MiniMax M3.
DeepSeek V3.1 Terminus is the closest alternative to Qwen3 Coder Next, with an Intelligence Index of 28.5 (Qwen3 Coder Next scores 28.3) at $0.270 per million input tokens.
Yes — Nemotron 3 Ultra (free) costs Free per million input tokens versus $0.110 for Qwen3 Coder Next, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Qwen3 Coder Next — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.