The closest alternative to Nano Banana Pro (Gemini 3 Pro Image Preview) is Gemini 3.5 Flash — comparable intelligence (43.3 vs —); for a cheaper option, Qwen3.7 Max runs $1.25/M vs $2.00/M; for more speed, Morph V3 Large hits 2.6k t/s; and the best open-weight substitute is MiniMax M3.
Gemini 3.5 Flash is the closest alternative to Nano Banana Pro (Gemini 3 Pro Image Preview), with an Intelligence Index of 43.3 (Nano Banana Pro (Gemini 3 Pro Image Preview) scores —) at $1.50 per million input tokens.
Yes — Qwen3.7 Max costs $1.25 per million input tokens versus $2.00 for Nano Banana Pro (Gemini 3 Pro Image Preview), while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Nano Banana Pro (Gemini 3 Pro Image Preview) — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.