Across 34 shared benchmarks, Claude Opus 4.5 scores higher on 6 and Qwen3.8 Max Preview on 28. The widest gap is critpt, where Qwen3.8 Max Preview scores 20 against 4.6. Qwen3.8 Max Preview is the cheaper of the two on tracked API pricing ($2.00 against $5.00 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.