Glean vs Guru: Which Work AI Tool to Pick in 2026?
Both promise to answer work questions from your company’s knowledge, but they trust different sources. Glean is a Work AI platform that passively crawls 100+ apps into a permissions-aware knowledge graph, then answers with hybrid search, RAG, and AI agents over everything it finds. Guru is enterprise search plus a human-verified internal wiki that has grown into an “AI Agent Center,” so its answers lean on cards a real person confirmed is accurate. If you mainly need to find anything, anywhere, automatically, Glean. If you want answers you can trust because a human vouched for them, Guru.
The One-Sentence Answer
Use Glean if you want total automatic discovery of everything across your stack. Use Guru if you want verified single-source-of-truth answers a human has confirmed are correct.
Side-by-Side Comparison
| Glean | Guru | |
|---|---|---|
| Core strength | Universal search across the whole stack | Verified single source of truth |
| How knowledge gets in | Passive continuous crawl of 100+ apps | Human-authored + human-verified cards |
| Trust model | Surfaces whatever it indexes | Answers from verified content |
| AI layer | RAG search + AI agents / assistant | AI Agent Center over the wiki |
| Integrations | 100+ connectors, knowledge graph | Enterprise search + Slack MCP (2026) |
| Permissions | Permissions-aware by design | Respects source and card permissions |
| Pricing | Enterprise, not public (reported ~$45-50/user/mo, ~100-seat min) | Reported ~$3K/mo per 200 users |
| Best for | Large orgs that need to find everything | Teams that need answers to be right |
When to Use Glean
- You have a sprawling stack and need one search box over all of it
- Knowledge lives in dozens of apps and nobody maintains a central wiki
- You want AI agents to run multi-step workflows over indexed company data
- You’re a large enterprise with the seat count to justify a platform buy
Think of Glean as a company-wide search engine — it finds whatever exists, whether or not anyone curated it.
When to Use Guru
- Answers need to be verified, current, and safe to act on
- You want a maintained internal wiki, not just crawler output
- Support, sales, or ops teams reuse the same answers constantly
- You already live in Slack and want verified cards surfaced there
The Automatic-Discovery vs Verified-Answer Line That Decides It
The deciding factor is whether you trust a machine to surface whatever it found or a person to confirm what is right. Glean’s strength is coverage: it crawls everything continuously, so the answer is almost always in there somewhere, but it can also surface a stale doc, an outdated policy, or a draft nobody meant as canonical. Guru inverts that. Its verification workflow means someone owns each card and re-confirms it on a schedule, so a Guru answer carries a “this is still true” signal that a raw crawl can’t give you. The trade-off is effort: Guru only knows what people bothered to write and verify, while Glean knows everything but vouches for none of it. Large orgs drowning in tools lean Glean; teams where a wrong answer is expensive lean Guru.
Rule of thumb: need to find anything across the whole company → Glean; need an answer you can trust without double-checking → Guru.
If the real goal is getting the work done rather than searching for the right doc, neither tool does the work for you. Carly is an AI executive assistant you email or text — it schedules meetings, handles email, and runs tasks on your behalf. It also automates multi-step workflows across 200+ integrations. See our best AI personal assistants and, if you’re weighing Glean specifically, our Glean alternatives.
Quick Reference
| Your situation… | Pick… |
|---|---|
| Knowledge scattered across 100+ apps | Glean |
| Answers must be verified and current | Guru |
| Large enterprise, big seat count | Glean |
| Support/sales reusing the same answers | Guru |
| No central wiki and nobody to maintain one | Glean |
| Slack-first team wanting verified cards | Guru |
Related guides: Glean alternatives · Best AI personal assistants
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