Across 39 shared benchmarks, Kimi K3 scores higher on 28 and Qwen3.8 Max Preview on 11. The widest gap is Agents' Last Exam, where Qwen3.8 Max Preview scores 52.4 against 28.3. 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 (direct, alibaba-official), otherwise the lowest tracked offer.