Glean score factors
Editorial quality86
Practical utility87
Trust & transparency86
Freshness86
Engagement quality5
Momentum100
Decision guide · Reviewed Sep 8, 2026 · AI Knowledge Management
Glean
80.6
Obsidian
77.4Choose Glean when you need organisations with knowledge scattered across many apps that need permission-aware search and cited answers for every employee. Choose Obsidian when you need individual thinkers, researchers, and technical writers who prioritize data privacy, bidirectional linking, and plain text ownership.
At a glance
The practical differences
| Decision factor | Glean | Obsidian |
|---|---|---|
| Best for | organisations with knowledge scattered across many apps that need permission-aware search and cited answers for every employee | individual thinkers, researchers, and technical writers who prioritize data privacy, bidirectional linking, and plain text ownership |
| Not ideal for | small teams, or buyers who need transparent self-serve pricing | teams needing out-of-the-box simultaneous Google Docs-style real-time collaboration or non-technical users wanting fully managed cloud document storage without local files |
| Pricing | Glean is sold to organisations on quoted per-user contracts; there is no self-serve price list at the review date. Contact sales through the official site for a quote. | At the review date in September 2026, the core Obsidian desktop and mobile application is completely free for personal and commercial use without requiring an account. Optional hosted add-ons include Obsidian Sync (from $4 per user/month billed annually) and Obsidian Publish (from $8 per site/month billed annually). Voluntary supporter tiers include Catalyst ($25 one-time) and Commercial ($50 per user/year). Please verify current rates on the official pricing page. |
| Key difference | Deep connector coverage and permission enforcement across enterprise systems, making it a serious company-wide knowledge layer rather than a document chat tool. | Obsidian stores notes as open Markdown text files directly on your local device rather than inside a proprietary cloud database, pairing local privacy and zero telemetry with an extensive open plugin ecosystem. |
| Overall rank | #28 | #90 |
| Review verdict | A leading choice for mid-size and large organisations that want one trustworthy place to find and ask about internal knowledge. Small teams will find it heavier and pricier than they need. | Obsidian is ideal for writers, researchers, and technical professionals who want long-term ownership of their notes in plain Markdown without cloud vendor lock-in. It is less suitable for teams seeking real-time collaborative editing out of the box without paying for Sync or configuring technical workarounds. |
Obsidian score factors
Editorial quality82
Practical utility92
Trust & transparency85
Freshness90
Engagement quality0
Momentum50
Glean strengths
- Broad connector ecosystem
- Strong permission enforcement
- Cited answers
- Enterprise administration
Obsidian strengths
- Core application is fully functional, free, and does not require an account or internet connection
- Stores files in standard plain text Markdown with zero vendor lock-in
- No telemetry data collected by the core desktop and mobile applications
- Sync service protects files using AES-256 end-to-end encryption with independent third-party audits
- Active ecosystem featuring thousands of community plugins and custom themes
Frequently asked
Glean vs Obsidian
Should I choose Glean or Obsidian?+
Choose Glean when you need organisations with knowledge scattered across many apps that need permission-aware search and cited answers for every employee. Choose Obsidian when you need individual thinkers, researchers, and technical writers who prioritize data privacy, bidirectional linking, and plain text ownership. ToolsRank scores Glean 80.6 and Obsidian 77.4; the gap reflects editorial quality, utility, trust, and freshness, not popularity or payment.
Is Glean cheaper than Obsidian?+
Glean: Glean is sold to organisations on quoted per-user contracts; there is no self-serve price list at the review date. Contact sales through the official site for a quote. Obsidian: At the review date in September 2026, the core Obsidian desktop and mobile application is completely free for personal and commercial use without requiring an account. Optional hosted add-ons include Obsidian Sync (from $4 per user/month billed annually) and Obsidian Publish (from $8 per site/month billed annually). Voluntary supporter tiers include Catalyst ($25 one-time) and Commercial ($50 per user/year). Please verify current rates on the official pricing page. Compare the plan you would actually use and verify current prices on each vendor's pricing page before purchasing.
Which is better for ai knowledge management?+
Glean currently scores higher for ai knowledge management work. Obsidian remains the stronger pick when your priority is individual thinkers, researchers, and technical writers who prioritize data privacy, bidirectional linking, and plain text ownership. Avoid Glean if you are small teams, or buyers who need transparent self-serve pricing.
Can I use Glean and Obsidian together?+
Yes. Glean stands out for deep connector coverage and permission enforcement across enterprise systems, making it a serious company-wide knowledge layer rather than a document chat tool. Obsidian stands out for obsidian stores notes as open Markdown text files directly on your local device rather than inside a proprietary cloud database, pairing local privacy and zero telemetry with an extensive open plugin ecosystem. Pairing them makes sense when one workflow needs both strengths; otherwise pick the tool that matches your primary job.