Microsoft releases a 4B Mage-VL-Cowork model

Microsoft's Mage team published Mage-VL-Cowork weights on Hugging Face on Oct. 30, 2026 under an Apache-2.0 license. The card describes a 4 billion parameter model that can act through a graphical interface or a persistent shell. Microsoft reports 66.0 percent on OSWorld-Verified with a 50-step budget, which is the team's own result.

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