Onehouse vs Sifflet
Which Data Engineering AI tool is better in 2026?
Onehouse
Fully managed universal data lakehouse built on Apache Hudi, Iceberg and Delta Lake
Sifflet
AI-ready data observability platform to monitor pipelines, quality, and lineage end to end
Side-by-side
Onehouse is the more established option (raised $68M); pricing is comparable on both sides.
| Metric | Onehouse | Sifflet |
|---|---|---|
| Taglinei | Fully managed universal data lakehouse built on Apache Hudi, Iceberg and Delta Lake | AI-ready data observability platform to monitor pipelines, quality, and lineage end to end |
| Foundedi | 2021 | 2021 |
| HQi | Sunnyvale, United States | Paris, FR |
| Employeesi | 51-200 | 51-200 |
| Neuron scorei | 69🏆 | 58 |
| Total fundingi | $68M🏆 | $35.8M |
| Latest roundi | Series B · Jun 2024 | Venture · Jun 2025 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✗ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Enterprise · Contact sales | Free trial |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Onehouse and Sifflet.
| Capability | Onehouse | Sifflet |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Onehouse
- Has raised more capital ($68M vs $35.8M)
- Higher Neuron score (69 vs 58)
- Offers a free plan
🔵 Strengths of Sifflet
- Strong in AI Data Engineering
Which should you choose?
Choose Sifflet if price matters most — it starts at Free trial, 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 Onehouse if you want the most established option — it has raised $68M, 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
Onehouse vs Sifflet — which is better?
It depends on your priority. Onehouse has raised more capital and is the more established option; Sifflet has broader feature depth. See the side-by-side table above.
Is Onehouse cheaper than Sifflet?
No — Sifflet's cheapest paid plan is Free trial, while Onehouse's is Enterprise · Contact sales.
Do Onehouse and Sifflet offer free plans?
Onehouse: Yes, has a free plan. Sifflet: Free trial only.
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