Microsoft Rolls Out GPT-5.1 To Copilot

Microsoft rolled out GPT-5.1 to Copilot on Windows via a gradual server-side deployment starting Nov. 12, 2025, making GPT-5.1 and its Thinking mode available in the native Copilot app for free and subscribed users. The company is also testing Copilot Labs on Windows with Vision experiments and plans agent features like Copilot Actions and an Agent Workspace for local-file access.
Key Points
- 1Deploys GPT-5.1 in Windows Copilot, available to free and paid users via server-side rollout
- 2Provides GPT-5.1 Thinking mode access that ChatGPT reserves for paid subscribers, broadening availability
- 3Enables developers and users to run vision experiments and local-file Actions via Copilot Labs
Scoring Rationale
Major product expansion and new Labs features drive impact, constrained by platform-specific gradual rollout and availability.
Sources
Public references used for this report.
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