What is Gradium?
Gradium offers a low-latency API for text-to-speech, speech-to-text, live translation, voice cloning and voice design from text prompts. It also released Phonon, an open on-device TTS model. Developers building voice agents can start for free.
Key facts
- Pricing
- Freemium
- Free plan
- Yes
- Category
- Audio/Voice
- Website
- https://gradium.ai/
- Listing updated
- Nov 11, 2026
Gradium FAQ
What is Gradium?
Gradium offers a low-latency API for text-to-speech, speech-to-text, live translation, voice cloning and voice design from text prompts. It also released Phonon, an open on-device TTS model. Developers building voice agents can start for free.
Is Gradium free?
Yes. Gradium lists a free plan. Pricing: Freemium.
What are alternatives to Gradium?
Audio/Voice alternatives to Gradium include VoiceMod, Podcastle, Murf.ai, Lovo.ai, Speechelo and Deepgram.