Glean vs Microsoft Copilot: Which AI agent is better?
Compare pricing, AI models, integrations, security posture, pros, cons, and buyer fit before choosing the right AI productivity agent for your workflow.
Verdict: Glean vs Microsoft Copilot
Pick Glean if you need ai-powered enterprise workplace search across slack, gdrive, jira, and 100+ apps. Pick Microsoft Copilot if you need ai assistant integrated with microsoft ecosystem.
Microsoft Copilot supports 4 models.
Glean integrates with 13 platforms.
Glean
Glean is the leading enterprise AI work assistant — a search-and-answer engine that indexes your company's entire content footprint (Slack, Google Drive, Confluence, Notion, Jira, GitHub, Salesforce, ...
- Indexes 100+ enterprise apps with permission-aware retrieval
- Glean Assistant: chat with your company's entire knowledge
- Glean Protect: real-time DLP + sensitive-data classification
- Glean Agents: build custom AI workflows on company data
- Cross-app search results sorted by personal relevance
- Permission-aware retrieval — no data-leakage risk across employees
- 100+ integrations cover most enterprise stacks out of the box
- Cited answers ground AI in your actual company knowledge (not hallucinated)
- Premium pricing — typical mid-market commitments start ~$30-50/employee/year
- Sales-led with no transparent pricing or self-serve trial
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...
- 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
- 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
- Full value requires Microsoft 365 subscription on top of Copilot cost
- Enterprise tier pricing makes it expensive for large organizations
Who should buy this
Glean
- Mid-market or enterprise CIO / CTO consolidating internal AI search
- Knowledge worker drowning in Slack threads + scattered docs across 20+ apps
- IT / security org wanting AI search WITH permission enforcement (not retroactive cleanup)
- SMBs and startups (cost prohibitive — ChatGPT Team or Notion AI fit better)
- Teams not on a sprawling app stack (Glean shines with 10+ data sources)
Enterprise per-employee licensing — typically $30-50/employee/year (mid-market) to $100+/employee/year (large enterprise). Glean Protect + Agents are additional.
Verified 2026-05-03
Capabilities at a glance
| Capability | Glean | Microsoft Copilot |
|---|---|---|
| 100+ enterprise app integrations | — | |
| Permission-aware retrieval | Inherits source ACLs | — |
| Cited / sourced AI answers | — | |
| Glean Protect (DLP + sensitive-data) | Add-on | — |
| Glean Agents (custom workflows) | Add-on | — |
| Slack / Teams native apps | — | |
| Public API | — | |
| On-prem / self-hosted | VPC deployment for select customers | — |
Security & compliance
| Standard / control | Glean | Microsoft Copilot |
|---|---|---|
| SOC 2 | Type II | — |
| ISO 27001 | — | |
| HIPAA | — | |
| GDPR | — | |
| SSO / SAML | — | |
| RBAC | — | |
| Audit logs | — | |
| Trains on customer data | No | — |
What users say
Glean
Plaid, Pinterest, Redis, Zapier, Databricks, Webflow, Grammarly, Duolingo, WealthSimple, Citi, Intuit, Samsung, Booking.com, Instacart, Zillow, Rivian, Samsara
Frequently asked questions
What AI models do Glean and Microsoft Copilot use?+
Glean runs on GPT-4 family, Claude family, Glean proprietary retrieval models. Microsoft Copilot runs on GPT-5, GPT-4 Turbo, DALL-E 3, Microsoft Prometheus.
What is the main difference between Glean and Microsoft Copilot?+
Glean is positioned as best ai-powered enterprise workplace search across slack, gdrive, jira, and 100+ apps, while Microsoft Copilot is positioned as best for ai assistant integrated with microsoft ecosystem. Pick the one whose strength aligns with your primary use case.
Which has better integrations, Glean or Microsoft Copilot?+
Glean integrates with Slack, Microsoft Teams, Google Drive, Notion and 9 more. Microsoft Copilot integrates with Windows, Microsoft 365, Edge, Teams and 3 more.
What are the main weaknesses of Glean and Microsoft Copilot?+
Glean's main drawback: premium pricing — typical mid-market commitments start ~$30-50/employee/year. Microsoft Copilot's main drawback: full value requires microsoft 365 subscription on top of copilot cost.
Are Glean and Microsoft Copilot worth it in 2026?+
Both remain competitive productivity options in 2026. Glean stands out for permission-aware retrieval — no data-leakage risk across employees. Microsoft Copilot stands out for deepest integration with world's most-used productivity suite. Choose based on which trade-offs fit your workflow and budget.