Across 33 shared benchmarks, DeepSeek-V4-Flash scores higher on 11 and Qwen3.8 Flash Next on 22. The widest gap is OmniScience Non-Hallucination, where Qwen3.8 Flash Next scores 54.7 against 15.6. Qwen3.8 Flash Next is the cheaper of the two on tracked API pricing ($0.15 against $0.44 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 (deepseek-official, alibaba-official), otherwise the lowest tracked offer.