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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 Dessa?

Dessa is a groundbreaking speech-to-speech AI model crafted by Block, tailored for investigating voice technology in conversations and its diverse uses. This model stands out by processing audio inputs to produce audio outputs directly, eliminating the need for converting to text first. Rather than depending on written language, it is constructed from actual human dialogues, allowing it to engage in full-duplex communication, where listening and speaking occur at the same time. It is designed to function locally on high-performance hardware, such as the MacBook Pro with an M4 Max chip or better, effectively capturing subtle nuances in conversation, including emotions, sarcasm, laughter, pauses, and the flow of dialogue, which are often lost in traditional text-based systems. Primarily targeted at AI safety researchers and developers, Dessa serves as an invaluable resource for investigating the dynamics of voice models, privacy considerations, and the complexities of real-time communication. Notably, Dessa is not meant for general commercial applications or as a hosted voice-agent solution, highlighting its exclusive focus on research and development within the voice technology sector. This intentional design emphasizes its capacity to enhance the comprehension of voice interactions, paving the way for future advancements in artificial intelligence. Furthermore, by concentrating on these aspects, Dessa contributes to a deeper dialogue about the implications of voice technology in society.

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

Pricing Information

Pricing not provided

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

Mac

Customer Service / Support

Web-Based Support

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Not specified

Company Facts

Organization Name

Google

Date Founded

1998

Company Location

United States

Company Website

google.com

Company Facts

Organization Name

Block

Date Founded

2009

Company Location

United States

Company Website

block.xyz/dessa

Categories and Features

AI Models

Not specified

AI Voice Models

Not specified

Text to Speech

Not specified

Categories and Features

AI Voice Models

Not specified

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