Microsoft 365 Copilot vs ChatGPT Enterprise: which is better?

Microsoft 365 Copilot rates higher overall (9.2/10) in our analysis, but the right choice depends on your tier and budget.

Microsoft 365 Copilot vs ChatGPT Enterprise

A side-by-side comparison of two AI tools on pricing, fit, and capability.

Microsoft 365 Copilot

Enterprise AI Assistant

ChatGPT Enterprise

Enterprise AI Assistant

9.2/10	Rating	9/10
assistants	Tier	assistants
Enterprise AI Assistant	Category	Enterprise AI Assistant
$30/user/mo	Starting price	~$45-75/user/mo
Per-seat add-on	Pricing model	Per-seat (custom)
Cloud SaaS	Deployment	Cloud SaaS
No	Self-serve	No
Microsoft-anchored enterprises that want AI inside the apps staff already use	Best for	Teams that want the strongest general models plus enterprise data protection

Explore M365 Copilot Explore ChatGPT Enterprise

Our verdict

On balance, Microsoft 365 Copilot edges ahead at 9.2/10 — but if your budget, tier, or existing stack favors the other, it can be the better fit. Read both full reviews.