Best AI tools to enterprise AI search across company knowledge

Short answer

Glean ranks #1 for enterprise AI search across company knowledge (score 8.8/10). Pricing: Unverified; free tier: Unverified. Runners-up: Notion, Guru.

Top 5, ranked by our published rubric. Sponsorship never affects the order. Last updated 2026-10-13.

Compare the top 5 side by side
#ToolScorePricingPaid fromFree tierWhat it is
1Glean8.8UnverifiedUnverifiedUnverifiedEnterprise AI search and assistant
2Notion8.5Free tierPlus $10/member/moyesWorkspace with Notion AI
3Guru8.0CustomCustom pricing (contact sales)UnverifiedAI knowledge base
4Confluence7.8Free tierStandard $5.42/user/moyesTeam wiki and knowledge base
5Moveworks5.6CustomCustom pricing (contact sales)noAI assistant for employee support

Enterprise AI search and assistant

Score 8.8/10Paid from: UnverifiedFree tier: UnverifiedLast verified 2026-10-13

Why ranked: Its own site says: “Glean is the Enterprise AI platform connected to your enterprise's data.” We placed it 1st of 5 on fit for this task. Pricing unverified.

Fit 10.0 · value 5.0 · breadth 10 · availability 10 (how we score) · no readable pricing page · site live

Workspace with Notion AI

Score 8.5/10Paid from: Plus $10/member/moFree tier: yesLast verified 2026-10-13

Why ranked: Its own site says: “Build Custom Agents, search across all your apps, and automate busywork.” We placed it 3rd of 5 on fit for this task. Free tier; paid from Plus $10/member/mo.

Fit 7.0 · value 10.0 · breadth 10 · availability 10 (how we score) · pricing source · site live

AI knowledge base

Score 8.0/10Paid from: Custom pricing (contact sales)Free tier: UnverifiedLast verified 2026-10-13

Why ranked: Its own site says: “Stop running your business on confidently wrong AI.” We placed it 2nd of 5 on fit for this task. No public price (sales-led).

Fit 8.5 · value 5.0 · breadth 10 · availability 10 (how we score) · pricing source · site live

SPONSORED Your tool here: paid placement is shown here, separate from the ranking, and never changes the order. Advertise

Team wiki and knowledge base

Score 7.8/10Paid from: Standard $5.42/user/moFree tier: yesLast verified 2026-10-13

Why ranked: Its own site says: “Confluence is your team workspace for creating and sharing knowledge.” We placed it 4th of 5 on fit for this task. Free tier; paid from Standard $5.42/user/mo.

Fit 5.5 · value 10.0 · breadth 10 · availability 10 (how we score) · pricing source · site live

AI assistant for employee support

Score 5.6/10Paid from: Custom pricing (contact sales)Free tier: noLast verified 2026-10-13

Why ranked: Its own site says: “Moveworks is the AI Assistant platform for your entire workforce to find answers instantly and automate tasks end-to-end in seconds across every business app.” We placed it 5th of 5 on fit for this task. No public price (sales-led).

Fit 4.0 · value 4.4 · breadth 10 · availability 10 (how we score) · pricing source · site live

FAQ

What is the best AI tool to enterprise AI search across company knowledge?

By TaskRanking's published rubric, Glean ranks first, followed by Notion and Guru.

Is there a free AI tool to enterprise AI search across company knowledge?

Yes: Notion has a free tier per its own pricing page (checked 2026-10-13).

How are these tools ranked?

Score = 50% fit, 25% value (from vendor pricing pages), 15% breadth, 10% availability. Sponsorship never affects rank.

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