Across 38 shared benchmarks, Nemotron 3 Ultra 550B A55B scores higher on 18 and Qwen3.5 397B A17B on 20. The widest gap is OmniScience Non-Hallucination, where Nemotron 3 Ultra 550B A55B scores 70.3 against 17.3. Tracked API pricing per million tokens: Nemotron 3 Ultra 550B A55B $0.68 in / $2.67 out, Qwen3.5 397B A17B $0.60 in / $3.60 out.
Best tracked score per model per benchmark (default configuration; source-attributed). ↓ marks lower-is-better metrics. Open either model for its full surface, provenance and pricing. Quoted rates are the price-setter row we currently track for each model — its direct or vendor-official listing where one exists (direct, direct), otherwise the lowest tracked offer.