Across 26 shared benchmarks, Claude Sonnet 4.5 scores higher on 1 and Qwen3.8 Max Preview on 25. The widest gap is HLE, where Qwen3.8 Max Preview scores 43.6 against 19.8. Qwen3.8 Max Preview is the cheaper of the two on tracked API pricing ($2.00 against $3.00 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 (anthropic-official, alibaba-official), otherwise the lowest tracked offer.