Elon Musk welcomes the integration of Grok into Microsoft Copilot
Microsoft is integrating xAI's AI model Grok into Microsoft Copilot. Elon Musk and Satya Nadella confirmed the news on 12 September 2026.
What happened?
Microsoft is adding xAI's Grok models to its Microsoft Copilot services. Elon Musk has welcomed the decision following Microsoft CEO Satya Nadella's announcement of the integration on 12 September 2026. Initially, the integration focuses on Copilot features within the Microsoft 365 applications Word, Excel and PowerPoint.
Key facts
| Tillkännagivet datum | 12 september 2026 |
|---|---|
| Integrerad modell | xAI Grok |
| Målplattform | Microsoft Copilot (Word, Excel, PowerPoint) |
”Grok available in Microsoft Copilot”
Why it matters
The decision provides Copilot users with greater choice between different AI models directly within their productivity tools. By incorporating xAI's Grok into the product suite, Microsoft is broadening its offering beyond existing models from OpenAI.
Who is affected?
The integration affects both corporate and individual users of Microsoft Copilot in Microsoft 365 applications. Developers and organisations seeking more options among large language models for their workflows are also affected.
Impact on the EU
The models are being rolled out globally within Microsoft Copilot, including for users in the EU. Depending on how xAI processes user data in the EU, the integration must comply with the strict requirements of the GDPR and the EU AI Act regarding transparency and data protection.
What else you should know
Microsoft is continuing its strategy of offering multiple AI models side-by-side in its products, rather than relying solely on its strategic partner, OpenAI. For xAI, this represents a major step into the corporate world and a significantly larger user base.
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