Side-by-Side Comparison · 2026

Glean vs Perplexity: Full Comparison (2026)

Glean is enterprise ai search that connects your company's knowledge across 100+ apps. Perplexity is ai-powered answer engine with live cited sources. Use the breakdown below to find the right fit for your needs.

Glean

Glean Technologies

Enterprise
vs

Perplexity

Perplexity AI

Freemium
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: EnterprisePerplexity: Freemium
API Access
Glean: AvailablePerplexity: Available
Platforms
Glean: Web, Slack, Chrome Extension, iOS, Android, Desktop (Mac/Windows)Perplexity: Web, iOS, Android, macOS App, Chrome Extension, API, Comet Browser (free, Mar 2026)
Integrations
Glean: 11 integrationsPerplexity: 6 integrations
Vendor
Glean: Glean TechnologiesPerplexity: Perplexity AI
Category
Glean: ProductivityPerplexity: Search & Research
Launch
Glean: 2019 (founded); 2021 (product launch)Perplexity: Dec 2022
Models
Glean: GPT-4o, Claude 3.5 SonnetPerplexity: Perplexity Agent API presets (replaced Sonar API, 27 Sep 2026), Third-party frontier models (OpenAI, Anthropic, Google)

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 Perplexity

Perplexity AI combines LLMs with real-time web search to provide accurate, cited answers. Includes Pro Search, file uploads, focus modes, and a research API.

Designed For

  • Research queries
  • Fact checking
  • Market research
  • Academic research
Full Perplexity 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

Perplexity

Strengths

  • Real-time search
  • Cited sources
  • Accurate and concise

Limitations

  • Limited creative writing
  • Pro features cost extra

Frequently Asked Questions

What is the difference between Glean and Perplexity?

Glean is enterprise ai search that connects your company's knowledge across 100+ apps, while Perplexity is ai-powered answer engine with live cited sources. Glean is designed for Large enterprises, Knowledge workers; Perplexity is designed for Researchers, Journalists. The right fit depends on your specific requirements.

How do the pricing models compare?

Glean is available under a Enterprise model. Perplexity is available under a Freemium model. Glean's entry tier starts at Custom. Perplexity's entry tier starts at $0/mo. 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. Perplexity integrates with Slack, API for devs, Chrome extension, Perplexity for Mac. Check each vendor's documentation for the full and current list.

How do I choose between Glean and Perplexity?

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.