The top six open-weights models all come from Chinese labs, led by MiMo-V2.6-Pro (
@Xiaomi) at 46.3.
DeepSeek's new V4.1 Flash 1017 is right behind at 45.1, then Z AI's GLM-5.3 (44.8), StepFun's Step 5 Preview (43.7), and Kimi K3 (43.6). Meta's Muse Spark Open (
@Meta) lands further back at 38.9.
Open weights mean you can run them on your own infrastructure. Merge Gateway routes to self-hosted models alongside hosted ones, behind one endpoint.
Scores via week of Oct 19.