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- Introduction:
- Low-latency voice AI API for speech synthesis, transcription, translation and cloning.
- Added on:
- Nov 2, 2026
- Website:
- gradium.ai
Featured Tools
Introduction
Gradium offers text-to-speech, speech-to-text, live translation, voice cloning and an offline on-device TTS model behind one API. It targets real-time voice agents, with first audio in about 200 ms, Python and Rust SDKs, and a free tier of 45,000 credits.
- Added on
- Nov 2, 2026
- Website
- gradium.ai
- Pricing model
- Freemium
Product information
What is Gradium?
Gradium is a voice AI platform for developers offering low-latency TTS, STT, speech translation, voice cloning and on-device TTS through a unified API.
Core features of Gradium
- Streaming text-to-speech
- Speech-to-text with custom vocabulary
- Real-time speech translation
- Voice cloning from about 10 seconds of audio
- Offline on-device TTS on CPU
- Bidirectional WebSocket API
Use cases of Gradium
- 1Build real-time customer support voice agents
- 2Create multilingual voice assistants
- 3Transcribe calls, meetings and interviews
- 4Generate voiceovers for media and advertising
- 5Develop offline voice apps for devices
How to use Gradium?
Create an account, start on the free tier or pick a plan, and use the Studio or API. Integrate the Python or Rust SDKs or connect via WebSocket streaming, including with LiveKit and Pipecat.
Frequently asked questions about Gradium
How many credits are in the Gradium free plan?+
The Free plan includes 45,000 credits.
Does Gradium support voice cloning?+
Yes, with instant cloning from about 10 seconds of audio and higher-fidelity Pro Voice Clones.
Which deployment options does Gradium offer?+
Cloud API, dedicated instances, self-hosted, on-premises and cloud marketplaces.
Which category is Gradium in?+
Gradium is listed under AI Voice Generator.