Claude Opus 4.8 vs Step 5 Preview
11 SHARED BENCHMARKSAcross 11 shared benchmarks, Claude Opus 4.8 scores higher on 6 and Step 5 Preview on 5. The widest gap is AA-Omniscience, where Claude Opus 4.8 scores 28.8 against 16.4. Step 5 Preview is the cheaper of the two on tracked API pricing ($1.00 against $5.00 per million input tokens).
ANTHROPICVSSTEPFUN11 SHARED6–5 HEAD-TO-HEADNEWEST SCORE ADDED
terminalbenchV4021.733.3
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, direct), otherwise the lowest tracked offer.