Skip to main content
NeuronFeed

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

$35.8M

Telmai

Open-architecture, AI-driven data observability

$5.5M

Side-by-side

Verdict

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.

Contextual paths to related AI startups, deals and rankings.