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ease
features
design
support

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Description

Gemini 3.1 Flash TTS represents Google's newest advancement in text-to-speech technology, aimed at providing developers and businesses with expressive, customizable, and scalable AI-generated speech solutions. Accessible through platforms like Google AI Studio and Gemini Enterprise Agent Platform, this model emphasizes user control over audio generation, enabling the manipulation of delivery through natural language prompts and a comprehensive array of over 200 audio tags that can adjust pacing, tone, emotion, and style. It is capable of supporting more than 70 languages and their regional dialects, alongside a selection of 30 prebuilt voices, which allows for the creation of speech that ranges from polished narrations to engaging conversational or artistic performances. Developers have the ability to incorporate specific instructions directly into their text inputs, facilitating the guidance of vocal expression while integrating pacing, emotion, and pauses within a structured prompting system that yields nuanced and high-quality audio. Furthermore, Gemini 3.1 Flash TTS is specifically designed for practical applications, making it suitable for use in accessibility tools, gaming audio, and a variety of other innovative projects. This flexibility ensures that users can adapt the technology to meet diverse needs across multiple industries effectively.

Description

Grok Text to Speech (TTS) is an independent audio API designed to enable developers to quickly create natural and dynamic speech from written text. Utilizing the same technology that supports Grok Voice, Tesla automobiles, and Starlink client services, this API simplifies the integration of high-quality voice synthesis into various applications, including voice agents, accessibility solutions, podcasts, digital assistants, customer interaction platforms, and immersive audio products. Grok TTS provides the capability to convert lengthy text into spoken words via a REST API, or to produce speech instantly using a WebSocket API, offering developers the flexibility needed for both batch audio generation and real-time conversational applications. The API emphasizes expressive delivery rather than monotonous narration, allowing for refined control through user-friendly inline and wrapping speech tags. By incorporating tags, developers can infuse natural prosody and emotion into the speech output, resulting in a more lifelike delivery without the need for complicated markup. This makes Grok TTS an invaluable tool for enhancing user engagement and creating more interactive experiences.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

Gemini
Gemini 3.1 Flash-Lite
Gemini 3.1 Pro
Gemini 3.5 Pro
Gemini Enterprise Agent Platform
Gemini Live API
Google AI Studio
Google Vids
Grok

Integrations

Gemini
Gemini 3.1 Flash-Lite
Gemini 3.1 Pro
Gemini 3.5 Pro
Gemini Enterprise Agent Platform
Gemini Live API
Google AI Studio
Google Vids
Grok

Pricing Details

No price information available.
Free Trial
Free Version

Pricing Details

No price information available.
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Google

Founded

1998

Country

United States

Website

blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-1-flash-tts/

Vendor Details

Company Name

SpaceXAI

Founded

2023

Country

United States

Website

x.ai/news/grok-stt-and-tts-apis

Product Features

Text to Speech

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

Product Features

Alternatives

GPT-Live-1 Reviews

GPT-Live-1

OpenAI

Alternatives

GPT-Live-1 Reviews

GPT-Live-1

OpenAI
GPT-Live Reviews

GPT-Live

OpenAI
GPT-Live Reviews

GPT-Live

OpenAI