The closest alternative to Qwen3 235B A22B Instruct 2507 is o3 Mini High — comparable intelligence (25.2 vs 25.0); for a cheaper option, Nemotron 3 Ultra (free) runs Free/M vs $0.090/M; for more speed, gpt-oss-120b (free) hits 554 t/s; and the best open-weight substitute is MiniMax M3.
o3 Mini High is the closest alternative to Qwen3 235B A22B Instruct 2507, with an Intelligence Index of 25.2 (Qwen3 235B A22B Instruct 2507 scores 25.0) at $1.10 per million input tokens.
Yes — Nemotron 3 Ultra (free) costs Free per million input tokens versus $0.090 for Qwen3 235B A22B Instruct 2507, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Qwen3 235B A22B Instruct 2507 — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.