Included by default
Sovereign Cloud
- Hosting by EU companies only
- AWS, Google Cloud, Microsoft Azure and Lambda are not engaged
- No route for a US CLOUD Act order to reach your audio, text or voice profiles
- Included by default for EU/EEA customers
Voice AI Made in Europe
The European Deepgram alternative for text to speech
EU Sovereign Cloud included on every plan, no enterprise contract.
GDPRZero data retention for content dataEU AI Act · aligned with Article 50
Play the demo
“Good afternoon, your appointment is on 03/15/2025 at 2:30 p.m. The office is located at 42a Bridge Street. For questions, reach us at 02079460123 or info@clinic.co.uk.”
Real model output · Kugel v3Dates, addresses, phone numbers and email addresses, read correctly
Direct comparison
KugelAudio vs Deepgram
Deepgram’s core is speech to text. For the voice of your product, clean German, data protection and deployment location decide it.
| Decision criterion | KugelAudio | Deepgram |
|---|---|---|
| EU Sovereign Cloud | Included on every plan | Not offered |
| Entity and governing law | German GmbH, EU law | US company, CLOUD Act applies |
| Time to first audio | Kugel v3: 91 ms | Aura-1: 157 ms · Aura-2: 207 ms |
| German numbers, IBANs and emails | Correct by default | Not tuned for German |
| German voices | 112 voices, regional variants | From a multilingual model |
| Contract and compliance | DPA, SLAs, zero data retention | US standard terms |
| On-premise deployment | Live within days | Enterprise tier only |
Deepgram figures come from its public documentation and our benchmark run, August 2026. Please verify current terms for your plan.
Benchmarks
Faster to the first sound
Median time to first audio
Lower is better
KugelAudio · Kugel v391 ms
Deepgram · Aura-1157 ms
Deepgram · Aura-2207 ms
Measured over WebSocket streaming from an EU data centre. Network round-trip included, connection setup excluded.
Data sovereignty
Your data stays in Europe
Built, trained and hosted in the EU, outside the reach of the US CLOUD Act.
Live within days
On-premise
- Runs in your data centre, behind your firewall
- Same SDK and API as in the cloud
- Up to 192 concurrent calls per GPU, integrations unchanged
Custom dictionaries
Brand names? Right, every time.
Store the pronunciation once in your dictionary. From then on, the model says the name correctly in every single response.
- 1
Your text
“Order your new tableware at Villeroy & Boch.”
- 2
Your dictionary entry
Villeroy & Boch → [ˌvɪləɉɔɪ ʔʊnt ˈbɔx]
- 3
The output
Pronounced correctly. Every time, in every response.
Works the same for product names, technical terms and abbreviations, via IPA notation or a simple replacement.
Pricing
Priced per generated minute
No character accounting, no seat tiers.
kugel-2-turbo
Fast, budget-friendly text-to-speech model
€0.035 / min
~40–50 ms TTFA*~€42.42 / 1M characters**
- Guaranteed EU hosting
- EU Sovereign Cloud included (EU/EEA)
- Integrated normalizer
- Voice cloning
- Speed control
- Break tokens
- Word-level timestamps
- Dictionaries
kugel-3
Premium text-to-speech model with maximum naturalness
€0.07 / min
~60–80 ms TTFA*~€84.85 / 1M characters**
- Guaranteed EU hosting
- EU Sovereign Cloud included (EU/EEA)
- Integrated normalizer
- Voice cloning
- Speed control
- Break tokens
- Word-level timestamps
- Dictionaries
- IPA notations
On-premise, dedicated capacity and committed-usage rates are available on request.
* Inference TTFA, measured server-side. More in the latency docs · ** Character costs assume approximately 825 characters per minute.
FAQ
Questions about Deepgram alternatives
What is the best European alternative to Deepgram for text to speech?
KugelAudio is a German company building real-time text-to-speech in 26 languages, hosted in the EU. Deepgram’s strength is speech to text; on the voice layer, KugelAudio adds EU sovereignty, German normalization and on-premise deployment.
Is KugelAudio faster than Deepgram Aura?
In our benchmark run, Kugel v3 reached a 91 ms median time to first audio, against 157 ms for Aura-1 and 207 ms for Aura-2. Measurements used WebSocket streaming from an EU data centre, with connection setup excluded.
Is there a Deepgram alternative that avoids the US CLOUD Act?
Yes. KugelAudio is a German GmbH under EU law with its IP in Europe. Under the Sovereign Cloud agreement, AWS, Google Cloud, Microsoft Azure and Lambda are not engaged, so no provider with a US parent processes your data.
Can I keep Deepgram for transcription and use KugelAudio for speech?
Yes. KugelAudio is drop-in for Pipecat and LiveKit, so you can keep your existing speech-to-text stage and swap only the text-to-speech stage.
Can I run the models on my own infrastructure?
Yes, within days. The models run in your data centre behind your firewall with the same SDK and API as the hosted service, handling up to 192 concurrent calls per GPU.
Ready to build your first voice?
Real-time, EU-hosted voice that scales with your product.