Sifflet vs Telmai
Which Data Engineering AI tool is better in 2026?
Sifflet
AI-ready data observability platform to monitor pipelines, quality, and lineage end to end
Telmai
Open-architecture, AI-driven data observability
Side-by-side
Sifflet is the more established option (raised $35.8M); pricing is comparable on both sides.
| Metric | Sifflet | Telmai |
|---|---|---|
| Taglinei | AI-ready data observability platform to monitor pipelines, quality, and lineage end to end | Open-architecture, AI-driven data observability |
| Foundedi | 2021 | 2020🏆 |
| HQi | Paris, FR | Sunnyvale, US |
| Employeesi | 51-200🏆 | 11-50 |
| Neuron scorei | 65🏆 | 56 |
| Total fundingi | $35.8M🏆 | $5.5M |
| Latest roundi | Series A · Mar 2023 | Seed |
| 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 | Free trial | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Sifflet and Telmai.
| Capability | Sifflet | Telmai |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Sifflet
- Has raised more capital ($35.8M vs $5.5M)
- Higher Neuron score (65 vs 56)
- Newer company (2021)
🔵 Strengths of Telmai
- Offers a free plan
- More mature (2020)
Which should you choose?
Choose Telmai if price matters most — it starts at Free, 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 Sifflet if you want the most established option — it has raised $35.8M, 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
Sifflet vs Telmai — which is better?
It depends on your priority. Sifflet has raised more capital and is the more established option; Telmai has broader feature depth. See the side-by-side table above.
Is Sifflet cheaper than Telmai?
No — Telmai's cheapest paid plan is Free, while Sifflet's is Free trial.
Do Sifflet and Telmai offer free plans?
Sifflet: Free trial only. Telmai: Yes, has a free plan.
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