Glean vs Microsoft Copilot
A detailed side-by-side comparison to help you choose the right AI productivity agent for your needs.
Best enterprise AI search across all company applications
Glean
Glean is an enterprise AI search and knowledge platform that indexes content across 100+ business applications and surfaces permission-aware results so employees can find and use company information w...
AI Models
Proprietary Glean retrieval modelsGPT-4oCustom enterprise search models
Key Features
- 100+ native connectors indexing all enterprise applications
- Permission-aware search respecting source system access controls
- Work AI synthesizes answers from multiple sources with citations
- People graph for expert and project ownership discovery
- Glean Agents for multi-step task completion across applications
Pricing
Business — Contact for pricing
Enterprise — Custom pricing
Pros
- 100+ connectors provide the broadest enterprise application coverage
- Permission-aware results prevent accidental information exposure
- Agents extend from search to action across connected applications
Cons
- Enterprise-only pricing with no self-serve option for smaller teams
- Full value requires connecting all company applications, which takes time
Best for AI assistant integrated with Microsoft ecosystem
Microsoft Copilot
Microsoft Copilot is the AI assistant embedded across the entire Microsoft ecosystem—Windows, Edge, Office 365, Bing, and Teams—making it one of the most widely distributed AI products in the world. F...
AI Models
GPT-5GPT-4 TurboDALL-E 3Microsoft Prometheus
Key Features
- Embedded across Windows, Office 365, Edge, and Teams
- Email drafting and summarization in Outlook
- Presentation generation in PowerPoint from outlines
- Natural language data analysis in Excel
- Meeting summarization and action items in Teams
Pricing
Free — $0/month
Copilot Pro — $20/month
Microsoft 365 Copilot — $30/user/month
Pros
- Deepest integration with world's most-used productivity suite
- Office 365 Copilot genuinely transforms document and data workflows
- Free tier provides capable AI assistant without subscription
Cons
- Full value requires Microsoft 365 subscription on top of Copilot cost
- Enterprise tier pricing makes it expensive for large organizations