Atlan vs Onehouse
Which Data Engineering AI tool is better in 2026?
Atlan
Modern data catalog and active metadata platform that helps enterprises discover, govern, and
Onehouse
Fully managed universal data lakehouse built on Apache Hudi, Iceberg and Delta Lake
Side-by-side
Atlan is the more established option (raised $206M); pricing is comparable on both sides.
| Metric | Atlan | Onehouse |
|---|---|---|
| Taglinei | Modern data catalog and active metadata platform that helps enterprises discover, govern, and | Fully managed universal data lakehouse built on Apache Hudi, Iceberg and Delta Lake |
| Foundedi | 2019🏆 | 2021 |
| HQi | — | Sunnyvale, United States |
| Employeesi | 11-50 | 51-200🏆 |
| Neuron scorei | 50 | 69🏆 |
| Total fundingi | $206M🏆 | $68M |
| Latest roundi | Series B | Series B · Jun 2024 |
| Valuationi | $750M🏆 | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✓ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Atlan and Onehouse.
| Capability | Atlan | Onehouse |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Atlan
- Has raised more capital ($206M vs $68M)
- More mature (2019)
🔵 Strengths of Onehouse
- Higher Neuron score (69 vs 50)
- Newer company (2021)
Which should you choose?
Choose Onehouse if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Data Engineering tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Atlan if you want the most established option — it has raised $206M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Atlan vs Onehouse — which is better?
It depends on your priority. Atlan has raised more capital and is the more established option; Onehouse has broader feature depth. See the side-by-side table above.
Is Atlan cheaper than Onehouse?
No — Onehouse's cheapest paid plan is Enterprise · Contact sales, while Atlan's is Free.
Do Atlan and Onehouse offer free plans?
Atlan: Yes, has a free plan. Onehouse: Yes, has a free plan.
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