Glean vs Perplexity: 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 Perplexity
Pick Glean if you need ai-powered enterprise workplace search across slack, gdrive, jira, and 100+ apps. Pick Perplexity if you need answer engine for real-time research with citations.
Perplexity 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
Perplexity
Perplexity is an AI answer engine that combines real-time web search with large language model reasoning to deliver cited, up-to-date answers rather than relying on static training data alone. Every r...
- Real-time web search with numbered, clickable source citations
- Focus modes for academic, Reddit, YouTube, and domain-specific search
- Deep Research for multi-step autonomous investigative reports
- Follow-up question handling with persistent conversation context
- API access for integrating real-time search AI into applications
- Real-time citations make every answer verifiable and trustworthy
- Deep Research produces multi-hour research reports autonomously
- Pro tier offers exceptional value versus competing research tools
- Search-augmented approach can miss nuanced reasoning on niche topics
- Web content quality directly affects response accuracy
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 | Perplexity |
|---|---|---|
| 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 | Perplexity |
|---|---|---|
| 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 Perplexity use?+
Glean runs on GPT-4 family, Claude family, Glean proprietary retrieval models. Perplexity runs on Proprietary Perplexity models, Claude Opus 4.6, GPT-4o, Sonar models.
What is the main difference between Glean and Perplexity?+
Glean is positioned as best ai-powered enterprise workplace search across slack, gdrive, jira, and 100+ apps, while Perplexity is positioned as best ai answer engine for real-time research with citations. Pick the one whose strength aligns with your primary use case.
Which has better integrations, Glean or Perplexity?+
Glean integrates with Slack, Microsoft Teams, Google Drive, Notion and 9 more. Perplexity integrates with Web browser via extension, API for custom integrations, iOS and Android apps, Slack via Zapier.
What are the main weaknesses of Glean and Perplexity?+
Glean's main drawback: premium pricing — typical mid-market commitments start ~$30-50/employee/year. Perplexity's main drawback: search-augmented approach can miss nuanced reasoning on niche topics.
Are Glean and Perplexity worth it in 2026?+
Both remain competitive productivity options in 2026. Glean stands out for permission-aware retrieval — no data-leakage risk across employees. Perplexity stands out for real-time citations make every answer verifiable and trustworthy. Choose based on which trade-offs fit your workflow and budget.