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You can now use xAI models within your Microsoft products. These models are hosted by xAI outside of Microsoft. You can elect to use XAI's models with Copilot Studio in Microsoft 365.
xAI models can help people in your organization with some of the following:
- Summarize complex information
- Answer questions using source material
- Synthesize across multiple sources
- Idea generation, drafting and editing
When your organization chooses to use an xAI model, your organization is choosing to share your data with xAI to power Copilot Studio features. This data is processed outside all Microsoft managed environments and audit controls, therefore Microsoft’s customer agreements, including the Product Terms and Data Processing Addendum don't apply. In addition, Microsoft’s data residency commitments, audit and compliance requirements, service level agreements, and Customer Copyright Commitment don't apply to your use of xAI services. Instead, use of xAI's services is governed by xAI’s Terms of service and Data processing addendum.
Important
Microsoft's safety and responsible AI evaluations found Grok-4.1 Fast (Non-Reasoning) to be less aligned than other models evaluated resulting in (i) higher risks that the model will produce potentially harmful content and (ii) lower scores on safety and jailbreak benchmarks. Grok-4.1 Fast (Non-Reasoning) may be capable of producing explicit content, and may do so with a higher propensity than other models. Customers must comply with both the Microsoft Enterprise AI Services Code of Conduct and xAI’s Enterprise Terms of Service, including its Acceptable Use Policy. Additionally, there may be categories of harm this model can produce that are not covered by Microsoft’s content safety systems. Accordingly, as with all Experimental models, Grok-4.1 Fast (Non-Reasoning) is not recommended for production use and customers should review Limitations of experimental and preview models and conduct their own evaluations before choosing Grok-4.1 Fast (Non-Reasoning).
Before you begin
Before users in your organization can use xAI, they need to be assigned a Microsoft 365 Copilot license.
Connect to xAI in the Microsoft 365 Admin Center
Before your organization can connect to xAI AI models, you must allow access in the Microsoft 365 admin center.
You have to be a member of the Global administrator role to perform this task. For more information, see About admin roles .
- Go to the Microsoft 365 admin center and select Copilot -> Settings.
- On the Settings page, select All.
- Select AI providers for other large language models.
- Under Available models for your organization, choose xAI.
- Agree to the Terms and Conditions and select Allow provider.
After you connect, it may take a few hours for the connection to complete.
Controls for Copilot Studio in the Microsoft Power Platform Admin Center
Once enabled in the Microsoft 365 admin center, additional administrator controls are available in the Microsoft Power Platform admin center (PPAC) to allow xAI to be used in Copilot Studio. For more information, see Allow external large language models (LLMs) for generative responses.
Disable Connection to xAI
Your organization may decide that it no longer wants users to be able to access other LLMs. You can disable the model provider:
- Go to the Microsoft 365 admin center and select Copilot -> Settings.
- On the Settings page, select All.
- Select AI providers for other large language models.
- Under Available models for your organization, choose xAIand select Block provider.
Once you disconnect xAI, users can't use xAI's AI models. After completing the steps to disconnect xAI in Microsoft 365, it may take several hours for the service to be fully disabled for your users.