Merge(@merge_api):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 https://t.co/TeTHwS52d4, week of Oct 19.

2026.10.19 15:00

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.

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