Release offerTo celebrate our €7.7M funding round, build on Europe's best speech-to-speech model for 2 ct/min.Claim it →

Welcome to Deepslate.

Europe’s best speech‑to‑speech model.

Now open to every builder. 440 ms latency, 27 languages, hosted in the EU.

  • No credit card required
  • €15 free credits
  • GDPR compliant
Call the live demo+49 398770520935Talk to our voice AI live. Available 24/7.
Backed by
  • 42CAP
  • Alstin Capital
  • SIVentures

Features

Features

Voice AI Built to Perform in the Real World

Enterprise-grade performance, European compliance and production-ready infrastructure, built into every layer of the model.

Instant Response

Natural, interruption-free conversations. Your callers never wait for the bot.

Deep Intelligence

Advanced contextual reasoning and multi-step verification across 27 languages.

Production Ready

Infrastructure designed for real deployment, not prototype environments.

GDPR First

100% GDPR Compliance through self hosting or EU based cloud hosting. AI made in Germany.

Precision at Scale

Low error rates in production with minimal human correction required.

Confidence
0%

Get started

Get started

From sign-up to first call in minutes.

No sales call, no setup project. Create an account, pick a template and talk to your agent right in the browser.

  1. Create your account

    Sign up with your work email. No credit card, and your first 750 minutes are on us.

    • Email sign-up
    • €15 free credits
  2. Pick a template

    Insurance FAQ, sales qualifier, energy provider or a blank prompt. Your agent is ready in one click.

    • 4 templates
    • 27 languages
  3. Talk to it, then ship it

    Call your agent in the browser. When it sounds right, connect a phone number via SIP or build on the SDK.

    • WebRTC
    • SIP
    • API

For developers

For developers

Drop into the stack you already use.

Official plugins for LiveKit and Pipecat, Python and Node SDKs, plus raw WebSocket, WebRTC and SIP. One realtime model replaces your STT, LLM and TTS chain.

  • Server-side VAD and native interruption handling
  • Function tools and webhooks for live data lookups
  • Hosted voices and voice cloning
  • Call logs for every conversation
agent.py
# pip install deepslate-livekitfrom livekit.agents import AgentSession, Agentimport deepslate.livekitfrom deepslate.livekit import HostedTtsConfig session = AgentSession(    llm=deepslate.livekit.RealtimeModel(        tts_config=HostedTtsConfig(voice_id="YOUR_VOICE_ID"),    ),) await session.start(    room=ctx.room,    agent=Agent(instructions="You are a helpful insurance agent."),)
DEEPSLATE_API_KEY from app.deepslate.euFull quickstart →

Benchmarks

Benchmarks

Why our model performs better.

Build the most realistic and high performing Voice AI with our model.

Extremely Fast
Response Time.

Deepslate Opal starts speaking after 440 ms, more than twice as fast as the latest voice models from OpenAI and Google.

Time to first audioLower is better
  • Deepslate Opal440 ms
  • Gemini 3.1 Flash Live (Minimal)960 ms
  • GPT-Realtime-2.1 (Minimal)970 ms
  • Gemini 3.8 Live1180 ms
  • GPT-Live-1 (Astra)1340 ms
Source: Artificial Analysis, time to first audio, selected models, September 2026

Pricing

Pricing

Start at 2 ct per minute.

Pay as you go with no commitment. Move to Enterprise when you need guarantees.

Pay as you go

Release offer
2 ct/ minuteRegular price 10 ct

Exclusive release pricing for early builders. Available for a limited time only.

  • €15 free credits to start (750 minutes), no credit card
  • Full speech-to-speech model, all 27 languages
  • 10 concurrent calls included
  • Up to 30 lines: +10 for 99 €/mo, 30 total for 249 €/mo
  • WebRTC, SIP, WebSocket, SDKs and plugins
  • EU hosting, Zero Data Retention as add-on

Enterprise

At scale
Custom

For contact centers, insurers and platforms running millions of minutes.

  • Everything in Pay as you go
  • Guaranteed, prioritized concurrent lines
  • SLA and Zero Data Retention included
  • Self-hosting on your own infrastructure
  • Hands-on onboarding and a dedicated contact

All prices excl. VAT. Release pricing may change for new sign-ups after the launch period.

FAQ

FAQ

Questions, answered.

Create an account at app.deepslate.eu, pick a template and call your agent in the browser. No credit card and no sales call needed, and you get €15 in free credits to start. When you are ready, connect a phone number via SIP or integrate with our SDKs.

Early builders get pay-as-you-go access to our full speech-to-speech model for 2 ct per minute instead of 10 ct, with 10 concurrent calls included. Your €15 starter credit covers 750 minutes. The offer is available for a limited time and may change for new sign-ups after the launch period.

Deepslate is a native speech-to-speech voice AI model built in Europe. It listens, reasons and responds in 27 languages with 440 ms latency, hosted in the EU. Use it to power voice agents, apps and platforms, self-serve with our SDKs and APIs or at enterprise scale.

No. Deepslate is a native speech-to-speech model. It processes voice input and generates voice output directly, without separate STT, LLM or TTS components.

Yes. Connect your own numbers via SIP, or run your agent in the browser and in apps via WebRTC.

All data is processed and stored within the EU. We are GDPR compliant and ISO 27001 certified. Enterprise customers can also self-host Deepslate on their own infrastructure.

When you need guaranteed capacity, an SLA, Zero Data Retention included, self-hosting or volumes in the millions of minutes. Our team will size the right setup with you.

Need a DPA, SLA or self-hosting? Talk to our team

Your first voice agent is minutes away.

€15 free credits. 2 ct/min release pricing. Hosted in the EU.

Deepslate

Europe's native speech-to-speech voice AI. Made in Germany.

© 2026 Deepslate GmbH. All rights reserved.Hosted in the EU · ISO 27001 · GDPR