# Atlan vs OpenMetadata (slim)

> OpenMetadata has a score of 66.9 (B) against Atlan's 62.7 (B). Both do data catalogues. The largest gap is schema & documentation, 20 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/atlan-vs-openmetadata.md (~1,550 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/atlan-vs-openmetadata.json · canonical https://www.anchorterminal.com/compare/atlan-vs-openmetadata
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

OpenMetadata has a score of 66.9 (B) against Atlan's 62.7 (B). Both do data catalogues. The largest gap is schema & documentation, 20 points.

- Atlan: B 62.7, rank #213 of 452 · https://www.anchorterminal.com/tools/atlan.min.md
- OpenMetadata: B 66.9, rank #154 of 452 · https://www.anchorterminal.com/tools/openmetadata.min.md
- Pick Atlan for security & auth (+10), transparency & trust (+20). Pick OpenMetadata for reliability (+17), schema & documentation (+20), agent ergonomics (+11), payments & pricing (+20), maintenance & community (+9).

| Category | Atlan | OpenMetadata |
| --- | --- | --- |
| Reliability (16%) | 67 | 84 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 65 | 85 |
| Agent ergonomics (13%) | 74 | 85 |
| Security & auth (14%) | 75 | 65 |
| Payments & pricing (10%) | 0 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 80 | 89 |
| Transparency & trust (7%) | 75 | 55 |