Chirp 3Google
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Related Products
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About
Google Cloud's Text-to-Speech API introduces Chirp 3, enabling users to create personalized voice models using their own high-quality audio recordings. This feature facilitates the rapid generation of custom voices, which can be utilized to synthesize audio through the Cloud Text-to-Speech API, supporting both streaming and long-form text. Access to this voice cloning capability is restricted to allow-listed users due to safety considerations; interested parties should contact the sales team to be added to the allowed list. Instant Custom Voice creation and synthesis are supported in various languages, including English (US), Spanish (US), and French (Canada), among others. It is available in multiple Google Cloud regions, and supported output formats include LINEAR16, OGG_OPUS, PCM, ALAW, MULAW, and MP3, depending on the API method used.
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About
Gradium is a voice AI platform for developers and organizations building speech-enabled applications and conversational agents. Its hosted APIs provide streaming text-to-speech, speech-to-text, speech translation, and speech-to-speech, with WebSocket and REST interfaces, real-time turn detection, pronunciation controls, and voice design or cloning features. A browser-based studio lets users try the models and manage voices, while documentation and SDK guides support application development. Use cases include voice agents, customer-service automation, live transcription, multilingual voice experiences, and spoken content generation. Gradium also publishes Phonon, an open-weight text-to-speech model designed for local, offline use in applications and on-device systems. Plans use credits for speech generation, transcription, and translation.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Organizations wanting a tool to develop custom voice models for personalized and natural-sounding speech synthesis applications
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Audience
Developers and organizations building voice-enabled applications, conversational agents, and speech workflows, including enterprise teams.
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$0/month
The free tier includes 45,000 credits. The XS plan is $13/month and includes 225,000 credits. Credits are shared across speech services; monthly plan credits do not roll over. Annual billing saves one month.
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationGoogle
Founded: 1998
United States
cloud.google.com/text-to-speech/docs/chirp3-instant-custom-voice
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Company InformationGradium
Founded: 2025
France
gradium.ai/
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Alternatives |
AlternativesNo Alternatives
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Categories |
Categories |
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Integrations
Eden AI
Not Supported
Gemini Enterprise Agent Platform
Supported
GitHub
Supported
Google Cloud Text-to-Speech
Supported
Google Colab
Supported
LiveKit
Not Supported
Pipecat
Not Supported
Totality
Supported
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Integrations
Eden AI
Supported
Gemini Enterprise Agent Platform
Not Supported
GitHub
Not Supported
Google Cloud Text-to-Speech
Not Supported
Google Colab
Not Supported
LiveKit
Supported
Pipecat
Supported
Totality
Not Supported
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