Glean vs Perplexity
Two of the most-asked-about agents in the search space. Here's how they actually stack up.
Glean
Enterprise AI assistant that searches and acts across all your work tools
Enterprise
Read full review →Perplexity
AI search engine with citations and an agentic browser layer
Free + $20/mo
Read full review →Side-by-side comparison
| Glean | Perplexity | |
|---|---|---|
| Tagline | Enterprise AI assistant that searches and acts across all your work tools | AI search engine with citations and an agentic browser layer |
| Pricing | Enterprise | Free + $20/mo |
| Categories | search, enterprise, knowledge-management | search, research, browser-agent |
| Made by | Glean | Perplexity AI |
| Launched | 2019 | 2022-12 |
| Platforms | Web, macOS, Windows, iOS, Android | Web, macOS, Windows, iOS, Android |
| Status | active | active |
Glean highlights
- + Universal search across 100+ connectors: Slack, Google Workspace, Confluence, Salesforce, GitHub, Jira, ServiceNow, and more
- + Permissions-aware retrieval that respects your existing ACLs so people only see what they're allowed to see
- + Glean Assistant for natural-language Q&A grounded in your actual internal knowledge
- + Glean Agents for building automated multi-step workflows on top of your company data
- + Glean Apps platform: build internal AI applications without standing up your own RAG infrastructure
Perplexity highlights
- + Citation-first answers with numbered source links on every response
- + Multi-model picker supporting Claude, GPT-5, Gemini 3, and Perplexity Sonar
- + Spaces for organizing research into shared collections
- + Pages for publishing AI-generated reports as shareable documents
- + Perplexity Comet agentic browser with web automation and task execution
Frequently Asked Questions
Which is better, Glean or Perplexity?
Neither is universally better. Glean (Enterprise) leans into search, while Perplexity (Free + $20/mo) is closer to search. Pick based on which workflow you actually do every day.
What is the price difference between Glean and Perplexity?
Glean is enterprise. Perplexity is free + $20/mo. See the pricing row in the comparison table.
Can I use Glean and Perplexity together?
In most cases, yes. They serve overlapping but distinct needs, so running them side by side is common until you decide which fits your workflow.