Microsoft Copilot is built on GPT-4 with Bing web search, DALL·E image generation and integration into Word, Excel, PowerPoint and Outlook. Free to use at copilot.microsoft.com with a Microsoft account — the most accessible GPT-4-class assistant available for free.
Best for
Microsoft 365 users who want AI across Word, Excel and Outlook.
Pricing
Ongoing free tier available, no trial required. Paid plans start at $20/mo.
Pros
- Free access to a GPT-4-class assistant with a Microsoft account — no subscription required
- Deep integration with Word, Excel, PowerPoint, and Outlook for anyone in that ecosystem
- Bing web search and DALL·E image generation included
Cons
- Deepest Office integration (inside the apps themselves, not just the web chat) requires a Microsoft 365 Copilot subscription
- Less consistent tone/personality than ChatGPT across different sessions
Tags
assistantmicrosoftofficesearchfree-tier
Frequently asked questions
Is Microsoft Copilot the same as the Copilot built into Word and Excel?
The free web version at copilot.microsoft.com is a separate, no-cost assistant. Copilot embedded directly inside Word, Excel, and Outlook documents requires a paid Microsoft 365 Copilot add-on.