Across 30 shared benchmarks, Qwen3.5 397B A17B scores higher on 0 and Qwen3.8 Max Preview on 30. The widest gap is TauBench V3 - Banking, where Qwen3.8 Max Preview scores 51.3 against 13.4. Qwen3.5 397B A17B is the cheaper of the two on tracked API pricing ($0.60 against $2.00 per million input tokens).
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 (alibaba-official, alibaba-official), otherwise the lowest tracked offer.