Unverified50% confidenceReleaseExact time
Microsoft has open-sourced Mage (called MajorVL Co-Work in the source material), a 4B-parameter desktop AI agent that scored 66% on the OSWorld Verified benchmark.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/31/2026
First Seen
Valid until: 1/29/2027
Sources
OpenCode Responds to Model Weakening Controversy; Microsoft Open-Sources 4B Desktop Agent
bilibili阿梨Aria早鸟报10/31/2026
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