Larger companies with scattered knowledge across many SaaS systems.
Enterprise or business pricing
AI Enterprise Tools
Use-case guide
Best AI tools for enterprise knowledge search
Short answer: Glean is the focused workplace-search option, Writer fits governed enterprise content workflows, and Microsoft Copilot is strongest inside Microsoft 365 environments.
Updated 2026-07-103 recommendations
Larger organizations that need governed AI writing and workflow controls.
Enterprise or business pricing
AI Enterprise Tools
Organizations standardized on Microsoft 365 that want AI inside Office workflows.
Free plan available
AI Office Tools
| Tool | Best for | Free plan | Score |
|---|---|---|---|
| Larger companies with scattered knowledge across many SaaS systems. | No | 8.6 | |
| Larger organizations that need governed AI writing and workflow controls. | No | 8.2 | |
| Organizations standardized on Microsoft 365 that want AI inside Office workflows. | Yes | 8.4 |
How to choose
Choose Glean if...
Larger companies with scattered knowledge across many SaaS systems.
Choose Writer if...
Larger organizations that need governed AI writing and workflow controls.
Choose Microsoft Copilot if...
Organizations standardized on Microsoft 365 that want AI inside Office workflows.
Methodology
Rankings are editorial, not pay-to-play. We score tools by workflow fit, output quality, ease of adoption, value clarity, integrations, trust, and durability.