Claude Opus 4.8 vs DeepSeek-V4.1-Flash
27 SHARED BENCHMARKSAcross 27 shared benchmarks, Claude Opus 4.8 scores higher on 15 and DeepSeek-V4.1-Flash on 12. The widest gap is Program Bench, where Claude Opus 4.8 scores 71.9 against 20.3. DeepSeek-V4.1-Flash is the cheaper of the two on tracked API pricing ($0.30 against $5.00 per million input tokens).
ANTHROPICVSDEEPSEEK27 SHARED15–12 HEAD-TO-HEAD
Terminal-Bench 4.023.631.2
terminalbenchV4021.726.8
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, direct), otherwise the lowest tracked offer.