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Spotlight post

Gradium Extends Funding to $100 Million and Expands to Silicon Valley

Gradium extends its seed funding to $100 million, welcoming new investors including NVIDIA, and opens a San Francisco Bay Area office to scale its real-time voice AI.

July 8, 20263 min read
Gradium Extends Funding to $100 Million and Expands to Silicon Valley

Models

Text-to-SpeechTurn text into natural sounding voiceSpeech-to-TextTranscribe audio into text instantlyLive TranslationConvert voice to voice in real timeVoice CloningInstance or pro voice cloneOn-Device TTSOffline real-time natural voice

Showcase

Agent DemoTest our voice agent liveGradbotBuild voice agents in a single promptApp GalleryApps built on Gradium

Latest post

Smaller, clearer, better: Phonon Multilingual beats Magpie and NeuTTS Nano in French, German, and Spanish

Phonon, our 100M-parameter on-device Text-To-Speech model, produces up to 3.5x fewer word errors than NVIDIA's Magpie TTS in French, German, and Spanish at 3.6x fewer parameters, and leads NeuTTS Nano on both word error rate and speaker similarity. It clones a reference voice across five languages: English, French, German, Spanish, and Portuguese.

July 15, 20265 min read
Smaller, clearer, better: Phonon Multilingual beats Magpie and NeuTTS Nano in French, German, and Spanish

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DocsStart building in minutesStatusMonitor system performanceTrustSecurity and compliance

Company

AboutMeet the team behind GradiumCareersCome build with usPressMedia and news resources
PricingBlog
Sign in

Spotlight post

Gradium Extends Funding to $100 Million and Expands to Silicon Valley

Gradium extends its seed funding to $100 million, welcoming new investors including NVIDIA, and opens a San Francisco Bay Area office to scale its real-time voice AI.

July 8, 20263 min read
Gradium Extends Funding to $100 Million and Expands to Silicon Valley

Models

Text-to-SpeechTurn text into natural sounding voiceSpeech-to-TextTranscribe audio into text instantlyLive TranslationConvert voice to voice in real timeVoice CloningInstance or pro voice cloneOn-Device TTSOffline real-time natural voice

Showcase

Agent DemoTest our voice agent liveGradbotBuild voice agents in a single promptApp GalleryApps built on Gradium

Latest post

Smaller, clearer, better: Phonon Multilingual beats Magpie and NeuTTS Nano in French, German, and Spanish

Phonon, our 100M-parameter on-device Text-To-Speech model, produces up to 3.5x fewer word errors than NVIDIA's Magpie TTS in French, German, and Spanish at 3.6x fewer parameters, and leads NeuTTS Nano on both word error rate and speaker similarity. It clones a reference voice across five languages: English, French, German, Spanish, and Portuguese.

July 15, 20265 min read
Smaller, clearer, better: Phonon Multilingual beats Magpie and NeuTTS Nano in French, German, and Spanish

Build

DocsStart building in minutesStatusMonitor system performanceTrustSecurity and compliance

Company

AboutMeet the team behind GradiumCareersCome build with usPressMedia and news resources

Models

Text-to-SpeechSpeech-to-TextSpeech-to-SpeechLive translationOn-DeviceVoice Cloning

Showcase

Agent DemoGradbotApp Gallery

Build

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Control Panel

Speech-to-text
LLM
Text-to-speech

Click to connect to a voice chat powered by Gradium's speech models. It can also change its voice and draw pretty pictures!

Stats

Response latencyN/A
Conversation length0 s
LLM latencyN/A
Time saved by TTSN/A
Text tokens0
Messages sent0
Messages received0

Our Models

Try our modular speech models, each built to be exceptional alone and to integrate effortlessly into real-time voice agents.

161/250

Text-to-Speech

Convert text into natural-sounding speech

  • Expressive voices and robust pronunciation
  • Instant and Pro voice cloning
  • Streaming inference for real-time applications
  • 48kHz audio output
  • Word level timestamps for precise text-audio alignment
  • Multilingual support: English, French, Spanish, German, and Portuguese

Speech-to-Text

Real-time speech transcription with exceptional accuracy

  • Streaming transcription with controllable latency
  • Semantic voice activity detection for smart turn-taking
  • Robust performance in noisy environments
  • Code switching
  • Word level timestamps for precise text-audio alignment
  • Multilingual support: English, French, Spanish, German, and Portuguese