The closest alternative to Hunyuan A13B Instruct is Hy3 preview — comparable intelligence (41.9 vs —); for a cheaper option, Nemotron 3 Ultra (free) runs Free/M vs $0.140/M; for more speed, Morph V3 Large hits 3.1k t/s; and the best open-weight substitute is MiniMax M3.
Hy3 preview is the closest alternative to Hunyuan A13B Instruct, with an Intelligence Index of 41.9 (Hunyuan A13B Instruct scores —) at $0.063 per million input tokens.
Yes — Nemotron 3 Ultra (free) costs Free per million input tokens versus $0.140 for Hunyuan A13B Instruct, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Hunyuan A13B Instruct — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.