Gradium
Low-latency voice AI: text-to-speech, speech-to-text, live voice translation and voice cloning via studio and API.
About Gradium
Gradium is a Paris voice AI lab founded in 2024 by former Google Brain and DeepMind researcher Neil Zeghidour. Its studio and API cover text-to-speech (beta model under 50ms latency), speech-to-text, voice-to-voice live translation, voice cloning, voice design from a text prompt, and on-device TTS. The free plan gives 45k credits a month without commercial rights; paid plans start at $13/month. It raised a $100M seed backed by Nvidia, FirstMark and Eurazeo.
Key Features
💰 Pricing
Free 45k credits/month (non-commercial); XS $13/mo, S $43/mo, M $340/mo, L $1,615/mo; Enterprise custom.
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📊 Comparison vs Alternatives
| Feature | ||||
|---|---|---|---|---|
| Pricing | Freemium | Free | Freemium | Paid |
| Rating | — | ⭐ 4.4 | ⭐ 4.5 | ⭐ 5.0 |
| Free Tier | ✅ | ✅ | ✅ | ❌ |
| Popularity | 35% | 82% | 80% | 80% |
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