Microsoft 365 Copilot vs Glean
A side-by-side comparison of two AI tools on pricing, fit, and capability.
Microsoft 365 Copilot
Enterprise AI Assistant
Glean
Enterprise Search & Assistant
| 9.2/10 | Rating | 9/10 |
| assistants | Tier | assistants |
| Enterprise AI Assistant | Category | Enterprise Search & Assistant |
| $30/user/mo | Starting price | ~$40-50/user/mo + AI add-on |
| Per-seat add-on | Pricing model | Per-seat (custom) |
| Cloud SaaS | Deployment | Cloud SaaS / customer-hosted |
| No | Self-serve | No |
| Microsoft-anchored enterprises that want AI inside the apps staff already use | Best for | Companies that want one assistant and search layer over every app, not just Microsoft |
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.