Across 34 shared benchmarks, Claude Sonnet 5 scores higher on 10 and Qwen3.8 Max Preview on 24. The widest gap is AA-Omniscience, where Claude Sonnet 5 scores 16.4 against 3.4. Both cost $2.00 per million input tokens on tracked API pricing; Qwen3.8 Max Preview is cheaper on output ($6.00 against $10.00).
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, alibaba-official), otherwise the lowest tracked offer.