Real-Time Speech Infrastructure Everywhere

On-demand speech models— local, fast, and compliant by design.

Regions: USA • UK • EU • UAE • Singapore • India • Australia • Canada • Japan • Brazil • South Korea

Your Control Layer for Speech

One account. One payment. Full control over global speech AI — from open source to proprietary models.

Discover

Find the right voices, languages, and models — filtered by price, region, latency, and compliance.

Deploy

Go live instantly with our API, SDKs, or starter kits — real-time or batch.

Define

Set guardrails for your team with usage rules, region locks, and spend limits.

Your team speech enabled in < 5 minutes.

No vendor chaos. No integration headaches. One platform for all your STT + TTS needs — open source or proprietary.

Speech-to-Text
Text-to-Speech
Diarization
Speech Cloning
Multi-Region

Choose your geography. Stay compliant.

Deploy speech models in the region of your choice for data residency, compliance, and latency:

🇺🇸
USA
🇬🇧
UK (London)
🇪🇺
EU (Netherlands)
🇦🇪
UAE (Dubai)
🇸🇬
Singapore
🇮🇳
India (Mumbai)
🇦🇺
Australia (Sydney)
🇨🇦
Canada (Toronto)
🇯🇵
Japan (Tokyo)
🇧🇷
Brazil (São Paulo)
🇰🇷
South Korea (Seoul)

Available Models

Choose from industry-leading speech models from top providers

M
OSS
Voxtral Small
Mistral
STT
hosted by: SLNG
M
OSS
Voxtral Mini
Mistral
STT
hosted by: SLNG
OSS
Kokoro
SLNG
TTS
hosted by: SLNG
OSS
XTTS
SLNG
TTS
hosted by: SLNG
OSS
Mars6
SLNG
Analysis
hosted by: SLNG
OSS
WhisperX
SLNG
STT
hosted by: SLNG
CV
OSS
CosyVoice 2
CosyVoice
TTS
hosted by: SLNG
O
OSS
Orpheus
Orpheus
TTS
hosted by: SLNG
A2
OSS
Arena V2
Arena
Evaluator
hosted by: SLNG
C
Sonic-2
Cartesia
TTS
hosted by: Cartesia
C
Ink-Whisper
Cartesia
STT
hosted by: Cartesia
11
Multilingual v2
ElevenLabs
TTS
hosted by: ElevenLabs
11
Scribe v1
ElevenLabs
STT
hosted by: ElevenLabs
11
Flash v2.5
ElevenLabs
TTS
hosted by: ElevenLabs
DG
Nova-3
Deepgram
STT
hosted by: Deepgram
DG
Aura-2
Deepgram
TTS
hosted by: Deepgram
AI
Whisper
OpenAI
STT
hosted by: OpenAI
AI
ChatGPT TTS
OpenAI
TTS
hosted by: OpenAI
Developer Experience

Made for Developers

Ship faster with our developer-first speech infrastructure

Simple REST APIs

Intuitive endpoints

Clean, RESTful APIs that follow industry standards. Get started in minutes with our comprehensive documentation.

Learn more

JSON in / JSON out

Structured data

Send JSON, receive JSON. No complex parsing or data transformation required. Perfect for modern applications.

View examples

Webhook Support

Real-time events

Get notified instantly when processing completes. Build reactive applications with our reliable webhook system.

Setup webhooks

Open Model Access

No vendor lock-in

Access both open-source and proprietary models through a unified interface. Switch models without changing code.

Browse models

Multi-Region

Global deployment

Deploy in 11+ regions worldwide. Reduce latency and meet data residency requirements with ease.

View regions

Sovereign Lock

Data sovereignty

Ensure your data never leaves your chosen region. Perfect for regulated industries and compliance requirements.

Learn about compliance
Start building with our API

Ready to ship speech features?

Start using high-performance speech models today — without managing infrastructure.

Privacy & Compliance Built In

HIPAA-ready infrastructure
SOC 2 compliant hosting
Regional compute for data residency