The closest alternative to Jamba Large 1.7 is Ministral 3 3B 2512 — comparable intelligence (11.2 vs 10.9); for a cheaper option, Qwen3.7 Max runs $1.25/M vs $2.00/M; for more speed, Mercury 2 hits 590 t/s; and the best open-weight substitute is MiniMax M3.
Ministral 3 3B 2512 is the closest alternative to Jamba Large 1.7, with an Intelligence Index of 11.2 (Jamba Large 1.7 scores 10.9) at $0.100 per million input tokens.
Yes — Qwen3.7 Max costs $1.25 per million input tokens versus $2.00 for Jamba Large 1.7, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Jamba Large 1.7 — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.