Companies of 500+ employees where knowledge lives across many SaaS tools and people lose hours daily searching.
Small teams — under ~200 people, ChatGPT Enterprise or Microsoft Copilot with basic connectors is dramatically cheaper.
What is Glean?
Glean is the leading enterprise AI search platform, indexing content from 100+ SaaS tools (Slack, Gmail, Jira, Confluence, Drive, Salesforce) and returning answers that respect each user's permissions. In 2024 it added agents for automation. Used by Databricks, Canva, and Okta to cut time spent searching internal knowledge. Raised $260M Series E at a $7B valuation.
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What people actually pay
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The enterprise AI search tool that actually knows your stuff
Glean has become the default Work AI platform for Fortune 500 enterprises — $200M ARR, $7.2B valuation, and deep integrations across every major SaaS tool. The weak spot is overlap with Microsoft Copilot for M365-heavy shops; outside that, nothing competes.
Glean's knowledge-graph approach has quietly become the right answer for enterprise AI search. Rather than just dropping an LLM chat surface on top of your documents, Glean ingests Slack, Drive, Confluence, Jira, Salesforce, Zendesk, GitHub, Figma, and a hundred other sources into a permissions-aware index that respects the underlying access controls. The result is that when an engineer asks "what changed in the billing refactor last sprint," the answer pulls from the PR, the incident postmortem, the Slack discussion, and the PM spec — cited and correctly scoped to what that person can see.
The business fundamentals are rare in AI. Since the Series E in mid-2025, Glean crossed $200M ARR and $7.2B valuation — growth that implies real enterprise adoption, not just pilot programs. The customer list (Workday, Databricks, Palo Alto Networks, Reddit, Canva, Cisco) is exactly who you need it to be for this category. The partnerships announced at Glean:GO (Dell, Workday, Snowflake) reflect what enterprise buyers actually want: AI search that integrates with their existing data estate rather than requiring a new one.
The weaknesses are mostly category-level. First, Microsoft Copilot for Microsoft 365 is the default answer for any deeply M365-committed enterprise, and Glean cannot beat "free with your existing E5 license." Second, Google Workspace-heavy shops are increasingly defaulted to Gemini for Workspace; Glean's better product does not overcome the bundling. Third, implementation is not trivial — the value depends heavily on connector quality across the long tail of SaaS apps, and the deeper connectors (Salesforce custom objects, Jira custom fields) require real ops investment.
Buy Glean for any 500+ employee enterprise that runs a heterogeneous SaaS stack — especially if you are neither M365 nor Google Workspace-committed, or if you need AI search to span both. Evaluate Microsoft Copilot if you are M365 Enterprise and the bundled license is already paid for. Evaluate Gemini for Workspace if you are Google Workspace with Gemini Business. Skip if you are under 500 employees — Glean is priced and scoped for enterprise and the ROI math does not work at mid-market scale.
Enterprises 500+ employees with heterogeneous SaaS stacks who need AI search spanning Slack, Drive, Salesforce, GitHub, Zendesk, and a long tail of tools.
Deeply Microsoft-365 or Google-Workspace-committed orgs (the bundled AI is already paid for) or mid-market companies under 500 employees where ROI math does not work.
Written by StackMatch Editorial. StackMatch editorial reviews are independent analyst commentary, not user reviews. We have no affiliate relationship with this tool. See user reviews below for community perspective.
Before you buy Glean
Vendors don't tell you about their competitors. We do — with verdicts attached when we have them.
What Glean actually costs
Sticker price isn't the real cost. We add implementation, training, and a probability-weighted lock-in penalty.
When to negotiate Glean
Vendor sales pressure is non-uniform — quarter-close, year-end, and post-funding-round are your high-leverage windows.
Strong negotiation window. Reps will push for end-of-quarter signature. Don't move first — let them initiate the discount. Target 15-30% off list plus negotiated terms.
Take this to your sales call
12 questions vendor sales teams steer around — generated from Glean's pricing tier, lock-in profile, and editorial verdict.
- 1PRICINGGlean is enterprise-tier — list pricing is rarely what enterprises actually pay. What's your typical discount on a 3-year commit paid annually upfront, and what's the smallest enterprise contract you've signed in the last 90 days?
- 2CONTRACTWhat's the year-2 and year-3 renewal price escalation cap if we sign a multi-year? Will you commit to a fixed cap in writing?
- 3CONTRACTAuto-renewal: how many days notice is required to terminate, and what happens if we miss the window? Will you commit to a renewal-reminder email at 90 and 60 days?
- 4MIGRATIONData export: what's the complete spec — format, frequency, and what data does the export NOT include? After contract end, how long do we have read-only access?
- 5MIGRATIONImplementation runs 4–8 weeks for enterprise deployment with SSO and permissions. That's a meaningful sunk cost. What's your fixed-fee implementation package, what causes overruns, and what guarantees do you offer if we miss go-live by 60+ days?
- 6MIGRATIONIf we'd need to migrate off Glean in year 2 or 3, what's the realistic effort — and have you helped a customer leave cleanly? Can you connect us with one?
- 7FITGlean is best for: Enterprises 500+ employees with heterogeneous SaaS stacks who need AI search spanning Slack, Drive, Salesforce, GitHub, Zendesk, and a long tail of tools.. We're [describe your situation]. Walk me through the failure modes if our profile doesn't match.
- 8FITConnect us with 2-3 reference customers at our company size in Technology — not the case-study list, customers who've been live for 18+ months and have churned at least one tool from your stack.
- 9INTEGRATIONGlean lists 6 integrations including Slack, Google Workspace, Confluence. Which of OUR existing tools — bring our list — have you confirmed shipping integration with versus "on roadmap"? Show me the actual status.
- 10VENDORTrack record over the last 18 months: any pricing model changes, executive departures, layoffs, M&A activity, or material customer churn we should know about?
- 11VENDORIf you're acquired or shut down, what's the contractual continuity — source-code escrow, data portability, transition period? Show me the actual clause.
- 12CONTRACTService level: what's the SLA on uptime, support response, and feature delivery? What's the financial remedy when you miss?
What to actually test in the demo
Vendor sales teams script demos to maximize close rate. Here's what they'd rather you not test — derived from Glean's lock-in profile and editorial verdict.
- 1PERFORMANCEBring YOUR data, not their demo data. Insist on running the demo workflow against a sample of your real records, files, or queries. If they refuse — that's a signal.
- 2PERFORMANCEGlean demo will be built around the happy path. Ask: "Show me what happens when [the most common failure mode in our context]" — make them improvise.
- 3EDGE CASESPush the limits live: largest dataset, longest workflow, most users concurrent. Vendors prep demos for medium loads — your real-world usage might 10x what they show.
- 4EDGE CASESMobile and offline behavior: how does Glean degrade on slow connections, on iPad, in airplane mode? Test in the demo if your team uses these surfaces.
- 5PRICINGWalk through the actual line items on a sample contract — not the marketing pricing page. Implementation fees, professional services, mandatory training, support tier, overage rates. Get the full bill modeled.
- 6INTEGRATIONVendors love their integration logo wall. Test the actual depth: pick the 2-3 (Slack, Google Workspace-style) integrations you depend on most, and ask the rep to demo a real two-way data sync, not a marketing screenshot.
- 7INTEGRATIONAPI and webhook reality check: rate limits, payload size limits, retry behavior, auth refresh handling. Ask for actual API docs in the demo, not "we'll send those."
- 8MIGRATIONHIGH lock-in expected. Insist on a live demo of full data export — every field, every record, in a portable format. If the export takes >1 hour or requires their team to run it, that's a red flag.
- 9MIGRATIONAsk them to walk you through what happens to your data when the contract ends. How long is read-only access available? Can you self-serve final export? Get this in writing during the demo, not just verbally.
- 10SUPPORTSubmit a real support ticket DURING the demo. Use the actual support channel customers use, not the rep's email. Time the response. This is your most honest data point about post-sale reality.
- 11SUPPORTAsk to be connected with a customer in the demo who you can email TODAY (not "we'll arrange a reference call next week"). The vendor's confidence in their references is a tell.
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