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Description

Gemini 3.8 Flash TTS is a generative text-to-speech model from Google designed for expressive voice creation, character design, dialogue direction, and multilingual audio production. Instead of limiting users to fixed voice presets, the model can create entirely new vocal identities from natural-language descriptions. Developers and creators can specify attributes such as accent, role, timbre, speaking style, pacing, and other voice characteristics across more than 100 languages and dialects. The model also offers access to more than 2,000 production-ready voices and supports voice replication from a short authorized audio sample. Performance controls allow users to direct individual lines with stage directions, pacing instructions, dialect shifts, emotional cues, and conversational backchanneling. Gemini 3.8 Flash TTS supports long-form generation while maintaining voice consistency, making it suitable for podcasts, audiobooks, localization, and other extended audio projects. Native two-speaker scene support lets users create multi-turn conversations from a single script while preserving distinct voices and natural turn-taking. Google includes consent verification, SynthID watermarking, and C2PA credentials to provide greater transparency and safeguards around generated and replicated voices. Gemini 3.8 Flash TTS can be used through Google AI Studio and the Gemini API and is intended for developers, creators, enterprises, media companies, and teams building expressive speech experiences.

Description

Utilize a browser equipped with in-app prompts alongside a recording tool to gather audio samples. You can access a curated collection of phonetically balanced sentences designed to help build a 30-minute dataset aimed at training a TTS model that captures the nuances of your distinct voice. Tailor the model's sound by selecting the pitch range that aligns best with your vocal characteristics, as a suggested typical voice pitch range setting is already included, along with a preconfigured optimal recipe for personalizing the TTS model to reflect your voice. To further enhance functionality, create an API that allows seamless integration of your customized TTS model into various applications. You’ll also have the option to download a deployable package that includes a helm chart, facilitating deployment on any cloud platform or an on-premises Kubernetes cluster. Following that, you can effortlessly host your voice microservice using NVIDIA or implement it with a simple line of code, ensuring smooth operation. Additionally, the Riva TTS model can be set up, customized, and deployed through user-friendly no-code, end-to-end graphical workflows, eliminating the need for intricate infrastructure configuration, and making the process accessible for everyone. This approach not only streamlines the deployment process but also empowers users to create high-quality TTS solutions with minimal technical barriers.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Azure Marketplace No 
Gemini Yes 
Gemini 3.1 Flash-Lite Yes 
Gemini 3.1 Pro Yes 
Gemini Enterprise Yes 
Gemini Enterprise Agent Platform Yes 
Gemini Live API Yes 
Gemini Notebook Yes 
Google AI Studio Yes 
Google Vids Yes 
Kubernetes No 
NVIDIA TensorRT No 
SynthID Yes 

Integrations

Azure Marketplace Yes 
Gemini No 
Gemini 3.1 Flash-Lite No 
Gemini 3.1 Pro No 
Gemini Enterprise No 
Gemini Enterprise Agent Platform No 
Gemini Live API No 
Gemini Notebook No 
Google AI Studio No 
Google Vids No 
Kubernetes Yes 
NVIDIA TensorRT Yes 
SynthID No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Google

Founded

1998

Country

United States

Website

google.com

Vendor Details

Company Name

NVIDIA

Founded

1993

Country

United States

Website

www.nvidia.com/en-us/gpu-cloud/riva-studio/

Product Features

Text to Speech

API No 
Adjust Speaking Rate / Pitch No 
Audio Optimization No 
Custom Lexicons No 
Different Voice Choices No 
Multi-Language Support No 
Synchronize Speech No 

Product Features

Text to Speech

API No 
Adjust Speaking Rate / Pitch No 
Audio Optimization No 
Custom Lexicons No 
Different Voice Choices No 
Multi-Language Support No 
Synchronize Speech No 

Alternatives

Alternatives

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