The closest alternative to Virtuoso Large is Trinity Large Thinking — comparable intelligence (18.2 vs —); for a cheaper option, GLM 5.2 runs $0.714/M vs $0.750/M; for more speed, GPT-5.6 Luna Pro hits 180 t/s; and the best open-weight substitute is GLM 5.2.
Trinity Large Thinking is the closest alternative to Virtuoso Large, with an Intelligence Index of 18.2 (Virtuoso Large scores —) at $0.220 per million input tokens.
Yes — GLM 5.2 costs $0.714 per million input tokens versus $0.750 for Virtuoso Large, while staying within ~8 points of its Intelligence Index.
GLM 5.2 is the strongest open-weight alternative to Virtuoso Large — downloadable from Hugging Face and self-hostable, scoring 51.1 on intelligence.