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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

Higgs Realtime is an advanced model and API that delivers production-ready, real-time speech-to-speech capabilities, designed to facilitate seamless and natural conversations. This comprehensive, instruction-optimized, audio-centric model is proficient in processing audio, text, or both, generating high-quality responses, and can also serve as a text-based language model when only text input is provided. Tailored for live voice interactions, it adeptly follows dialogues, manages interruptions, and adjusts to evolving requests even mid-conversation, while successfully navigating complex multi-step workflows. The model is specifically developed to exhibit voice-agent traits such as smooth turn-taking, conversational rhythm, tone modulation, introductory phrases for spoken tools, tracking of multi-turn states, and effectively responding to dynamic instructions. Enhanced semantic turn detection distinguishes between finished exchanges and brief pauses, while its multilingual and code-switching capabilities enable comprehension of over 100 languages without requiring specific setups for each language. In this way, Higgs Realtime not only enhances the user experience but also promotes greater accessibility in diverse communication scenarios.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Boson AI No 
Gemini Yes 
Gemini 3.1 Flash-Lite Yes 
Gemini 3.1 Pro Yes 
Gemini Enterprise Agent Platform Yes 
Gemini Live API Yes 
Google AI Studio Yes 
Google Vids Yes 

Integrations

Boson AI Yes 
Gemini No 
Gemini 3.1 Flash-Lite No 
Gemini 3.1 Pro No 
Gemini Enterprise Agent Platform No 
Gemini Live API No 
Google AI Studio No 
Google Vids No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

$0.0023 per minute
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 No 
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 No 
Live Training (Online) Yes 
In Person No 

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

Boson AI

Founded

2023

Country

United States

Website

staging.boson.ai/blog/higgs-realtime

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

Alternatives

Alternatives