Across 25 shared benchmarks, Gemini 3.1 Pro scores higher on 8 and Muse Spark 1.3 on 17. The widest gap is DeepSWE 1.1, where Muse Spark 1.3 scores 75.4 against 12. Muse Spark 1.3 is the cheaper of the two on tracked API pricing ($1.25 against $2.00 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 (google-official, meta-official), otherwise the lowest tracked offer.