Glean Overview
This Glean review examines the enterprise Work AI platform in 2026. Founded by former Google search engineers, Glean connects to the 100-plus apps where company knowledge already lives — Slack, Google Drive, Confluence, Jira, Salesforce, GitHub — and builds a permission-aware AI layer on top: one search box, one assistant, and no-code agents that all understand your company’s context. It is the most ambitious attempt yet to end the ‘where is that document?’ problem at work.
What is Glean?
Glean is an enterprise AI platform with three layers. Glean Search finds information across every connected tool, respecting each employee’s permissions — two people can ask the same question and get different answers based on what they are allowed to see. Glean Assistant answers questions, summarizes documents, analyzes data, and drafts work artifacts grounded in company knowledge, with citations back to sources. Glean Agents let teams build governed AI agents for multi-step workflows without writing code.
Under the hood sits the Enterprise Graph: an index of your company’s people, content, and activity that personalizes results. Glean takes a multi-LLM approach, routing work across models like Gemini, Claude, and GPT, and its 100-plus prebuilt connectors mean most deployments index the existing stack without custom engineering.
Pricing is enterprise and quote-based — Glean publishes no price list. Industry reports in 2026 put typical deployments around $45–50+ per user per month with roughly 100-seat minimums, plus a Work AI add-on near $15 per user per month, but every contract is negotiated through sales. Expect a six-figure annual commitment at real scale.
How Glean Works
IT connects Glean to the company’s SaaS tools through prebuilt connectors, and Glean continuously indexes content while honoring source permissions. Employees then search or chat from a homepage, browser extension, or Slack. Answers arrive as concise summaries with links to the source documents, so nothing is a black box.
Teams can go further with agents: build a no-code assistant that drafts RFP responses from past proposals, triages support tickets against the knowledge base, or briefs new hires from internal docs. APIs for search, chat, and actions let developers embed Glean inside other systems. Security is the selling point for regulated industries — SOC 2 compliance, audit trails, and granular governance come standard.
Who Should Use Glean?
Glean fits mid-size and large companies drowning in SaaS sprawl, where knowledge is scattered across dozens of tools and new hires take weeks to find answers. IT and knowledge-management leaders who need permission-aware AI with real governance will find it the most complete option.
It is not for small teams or startups — the pricing floor and sales-led process rule that out. It also will not replace execution tools: Glean finds and summarizes brilliantly but does not resolve tickets or update records in downstream systems, so action-heavy workflows need complementary platforms.
Our Verdict on Glean
Glean is the best enterprise AI search platform available in 2026 — the permission-aware results and 100-plus connectors are genuinely hard to replicate. The honest caveat is cost and complexity: this is a six-figure procurement with real implementation effort, not a self-serve signup.
The bottom line of this Glean review: buy it when scattered company knowledge is a measurable drag on productivity — and budget for the full cost, not just the per-seat headline.
Smaller teams should consider Notion AI for searchable team knowledge or Mem for personal knowledge capture. Explore more in our AI Productivity Tools category.
Key Features
- Unified search across 100+ connected workplace apps
- Glean Assistant for Q&A, summaries, and content generation
- Glean Agents: no-code builders for multi-step AI workflows
- Enterprise Graph personalizing results by role and context
- Multi-LLM support across Gemini, Claude, and GPT models
- Permission-aware indexing with SOC 2 compliance
- Developer APIs for search, chat, and actions
Glean Pricing
| Plan | Price |
|---|---|
| Enterprise Search | Custom |
| Assistant | Custom |
| Enterprise (bundled) | Custom |
Last updated on September 21, 2026 — always confirm on the official site.
Glean Pros & Cons
✓ Pros
- 100+ prebuilt connectors index the tools companies already use
- Permission-aware results respect each employee's actual access rights
- Answers include citations back to source documents — no black box
- No-code agent builder plus APIs for custom workflows
- Enterprise-grade security: SOC 2, audit trails, granular governance
✕ Cons
- No public pricing — every deal is a custom sales negotiation
- Six-figure annual floor rules out small teams and startups
- Finds and summarizes brilliantly but does not execute actions in downstream tools
- Answers are only as good as the underlying company knowledge
Glean FAQs
How much does Glean cost in 2026?
What is Glean used for?
Is Glean secure for enterprise data?
How is Glean different from ChatGPT Enterprise?
What are the best Glean alternatives?
Best Glean Alternatives
Calendly review 2026 — booking links, AI scheduling assistant Callie and meeting recaps with Notetaker. Free plan, Standard from $10/seat/mo.
Close CRM review 2026 — built-in calling, email, SMS and the Chloe AI agent that qualifies leads and books meetings. From $9/user/mo.
Seamless.AI is a real-time AI search engine for B2B sales leads, with verified emails and phone numbers. Free for up to 50 credits; paid plans are custom-priced.
Sembly AI review 2026 — auto-records meetings, transcribes in 45+ languages and turns notes into tasks. Free, from $10/mo.