Microsoft Copilot embeds AI deeply into the Microsoft 365 suite (Word, Excel, Teams, Outlook), while ChatGPT is a more powerful standalone AI assistant. Both are powered by OpenAI models, but serve different workflows.
Context Window
Free Tier
API Access
Code Generation
Multimodal
Mobile Apps
Office 365 Integration
Web Browsing
Image Generation
Plugin Ecosystem
Choose Microsoft Copilot if you work heavily in the Microsoft 365 ecosystem. Choose ChatGPT for a more versatile, powerful standalone AI with a broader plugin ecosystem.