Across 34 shared benchmarks, Claude Fable 5 scores higher on 25 and Qwen3.8 Flash Next on 9. The widest gap is OmniScience Accuracy, where Claude Fable 5 scores 65.3 against 24.5. Qwen3.8 Flash Next is the cheaper of the two on tracked API pricing ($0.15 against $10.00 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.