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Side-by-Side Comparison · 2026

Glean

Glean Technologies

Enterprise
vs

Microsoft Copilot

Microsoft

Freemium

Glean vs Microsoft Copilot: Full Comparison (2026)

Glean is enterprise ai search that connects your company's knowledge across 100+ apps. Microsoft Copilot is microsoft's ai companion across windows, edge, bing and microsoft 365. Use the breakdown below to find the right fit for your needs.

This page presents factual information sourced from publicly available vendor documentation and product pages. AIHub does not endorse either product. The right tool depends on your specific use case, team, and requirements — we recommend evaluating both tools directly before making a decision.

Side-by-Side Overview

Pricing Model

Glean

Enterprise

Microsoft Copilot

Freemium

API Access

Glean

Available

Microsoft Copilot

Available

Platforms

Glean

Web, Slack, Chrome Extension, iOS, Android, Desktop (Mac/Windows)

Microsoft Copilot

Windows 11, Microsoft Edge, Web (copilot.microsoft.com), iOS, Android, Microsoft 365, Teams

Integrations

Glean

11 integrations

Microsoft Copilot

9 integrations

Vendor

Glean

Glean Technologies

Microsoft Copilot

Microsoft

Category

Glean

Productivity

Microsoft Copilot

Language Models

Launch

Glean

2019 (founded); 2021 (product launch)

Microsoft Copilot

Feb 7, 2023 (Bing AI); Nov 2023 (Microsoft 365 Copilot GA)

Models

Glean

GPT-4o, Claude 3.5 Sonnet

Microsoft Copilot

GPT-4o, GPT-4o mini

About Glean

Glean is an enterprise AI-powered work assistant and search platform that indexes and connects knowledge across 100+ enterprise applications — including Slack, Google Drive, Jira, Confluence, Salesforce, GitHub, and more — to give employees instant answers, summaries, and search results from their company's collective knowledge. It uses RAG and LLMs to deliver contextually accurate, permissioned responses.

Designed For

  • Enterprise knowledge search
  • Employee onboarding
  • Customer support AI
  • Internal Q&A bot
Full Glean details

About Microsoft Copilot

Microsoft Copilot is Microsoft's AI assistant integrated across Windows 11, Microsoft Edge, Bing, and Microsoft 365. Powered by GPT-4o and Dall-E 3, it handles text, images, documents, and can take actions in Windows. The enterprise version (Copilot for Microsoft 365) is deeply embedded in Word, Excel, PowerPoint, Outlook, and Teams.

Designed For

  • Document drafting
  • Email assistance
  • Data analysis in Excel
  • Presentation generation
Full Microsoft Copilot details

Strengths & Limitations

Glean

Strengths

  • Deep enterprise app integrations (100+)
  • Respects existing permissions/ACLs
  • Fast RAG over company knowledge
  • Customizable AI assistants
  • Strong enterprise security

Limitations

  • Enterprise-only pricing (expensive)
  • Requires significant setup and indexing time
  • No consumer offering
  • Dependent on data quality

Microsoft Copilot

Strengths

  • Free with Windows/Edge
  • Deep Microsoft 365 integration
  • Enterprise security
  • Image generation included
  • Agent capabilities

Limitations

  • Quality varies vs ChatGPT
  • Microsoft 365 Copilot very expensive ($30/seat)
  • Limited customization

Frequently Asked Questions

What is the difference between Glean and Microsoft Copilot?

Glean is enterprise ai search that connects your company's knowledge across 100+ apps, while Microsoft Copilot is microsoft's ai companion across windows, edge, bing and microsoft 365. Glean is designed for Large enterprises, Knowledge workers; Microsoft Copilot is designed for Microsoft 365 users, Enterprise organizations. The right fit depends on your specific requirements.

How do the pricing models compare?

Glean is available under a Enterprise model. Microsoft Copilot is available under a Freemium model. Glean's entry tier starts at Custom. Microsoft Copilot's entry tier starts at $0. Always verify pricing on each vendor's official website as it may change.

What integrations does each tool support?

Glean integrates with Slack, Google Workspace, Microsoft 365, Jira. Microsoft Copilot integrates with Microsoft Word, Excel, PowerPoint, Outlook. Check each vendor's documentation for the full and current list.

How do I choose between Glean and Microsoft Copilot?

Consider your team's technical requirements, budget, existing tooling, and use case before deciding. We recommend signing up for free trials or demos of both tools where available, and consulting each vendor's documentation. AIHub provides this comparison for informational purposes only.

Feature Snapshot

API Access
Has Integrations
Multi-platform
Free Tier
Enterprise Plan
GleanMicrosoft Copilot

Related Tags

Enterprise
AI Search
RAG
Knowledge Management
Workplace AI
Connectors
Windows
Microsoft 365
Productivity
GPT-4o
Browse all comparisons

Data sourced from public vendor documentation. Pricing, features, and availability may change. Always verify on official vendor websites before making purchasing decisions. AIHub is not affiliated with any of the listed vendors.