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What is Gemini 3.8 Flash-Lite TTS?

Gemini 3.8 Flash-Lite TTS is Google’s efficiency-focused text-to-speech model for generating expressive audio at high volume. It is positioned for applications where scalability and cost efficiency are important, including dubbing, localization, automated content production, and conversational voice systems. The model gives users detailed control over speech characteristics such as tone, pacing, delivery, and expressive nuance. Creators and developers can direct individual lines using script instructions to produce performances ranging from straightforward narration to more expressive dialogue. Long-form generation is designed to maintain natural pacing, audio quality, and stable speaker characteristics over extended recordings such as podcasts and other continuous content. Gemini 3.8 Flash-Lite TTS also supports native two-speaker scene staging, allowing a single script to generate structured conversations with distinct speakers and natural turn-taking. Nonverbal performance cues including laughs, sighs, gasps, and conversational backchanneling can be incorporated to add realistic texture to generated speech. With support for more than 100 languages, the model can be used to create multilingual audio experiences and localized content for audiences across different regions. Google reports that Gemini 3.8 Flash-Lite TTS performs strongly in human preference evaluations across languages including Japanese, Brazilian Portuguese, Vietnamese, Modern Standard Arabic, Mexican Spanish, and Hindi. Generated audio from Gemini Audio models includes SynthID watermarking, providing an imperceptible signal that can help identify AI-generated speech. Gemini 3.8 Flash-Lite TTS is available through Google AI Studio and the Gemini API, is integrated into Google Vids, and is planned for enterprise API access through Gemini Enterprise.

What is Acapela VaaS?

Integrating speech capabilities into your application has never been easier, thanks to the advent of Voice as a Service (VaaS). When your application requires vocal interaction, you can simply connect to our VaaS server, send the text you wish to be spoken, and let VaaS handle the vocalization. With a robust offering that includes support for 25 languages and up to 50 distinct voices, our cloud services are prepared to communicate for you at any time. Regardless of whether you are utilizing Flash or any other programming language that enables HTTP communication, our API ensures smooth access to the complete spectrum of Voice as a Service functionalities. This enables you to seamlessly weave speech into your app while maintaining oversight over various features, parameters, configurations, and effects associated with voice generation. To embark on this journey, you can register for a complimentary evaluation account, which provides full access to all services for 30 days and the ability to send around 100 messages each day. You will have the entire range of features, languages, and voices readily available for your use. Be sure to check out our Gallery to witness the incredible potential of VaaS and see how it can significantly improve your projects. Engaging with voice technology offers unprecedented accessibility and flexibility, making it an exciting time for developers. With these resources at your disposal, your applications can truly come to life through the power of speech.

Media

Media

Integrations Supported

Gemini
Gemini 3.1 Flash-Lite
Gemini 3.1 Pro
Gemini Enterprise
Gemini Enterprise Agent Platform
Gemini Live API
Gemini Notebook
Google AI Studio
Google Vids
SynthID

Integrations Supported

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

Pricing not provided
Free Trial Offered?

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Standard Support
Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Google

Date Founded

1998

Company Location

United States

Company Website

google.com

Company Facts

Organization Name

Acapela Group

Date Founded

2003

Company Website

www.acapela-vaas.com

Categories and Features

AI Models

Not specified

Text to Speech

Not specified

Categories and Features

Text to Speech

API
Adjust Speaking Rate / Pitch
Audio Optimization
Custom Lexicons
Different Voice Choices
Multi-Language Support
Synchronize Speech

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