xAI models now available in Microsoft Copilot Studio | Microsoft Copilot Blog

Key Takeaways

• xAI models are now available in Copilot Studio, expanding your multi‑model lineup with a new option for fast reasoning and flexible agent design.
• Starting today, xAI joins Microsoft Copilot Studio’s growing model provider lineup.
• Once enabled by organization administrators, United States-based makers can build with Grok 4.