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What is ThunderPhone?

ThunderPhone is a cutting-edge voice AI platform engineered to seamlessly manage real-life phone conversations with remarkable accuracy, strong compliance with directives, and smooth dialogue flow. By merging various transcripts with direct audio input to its language model, it greatly minimizes the likelihood of mistakes related to addresses, spellings, accents, background noise, and indistinct speech. Users have the capability to initiate and receive calls, conduct extensive outbound campaigns with adjustable pacing and retries, and function effortlessly through conventional telephony or integrated within websites and applications, while also supporting over 40 languages, catering to different accents, mixed-language conversations, and even the ability to switch languages during a call. The system proficiently navigates interruptions, backchannels, cross-talk, voicemail, screeners, keypad entries, warm and cold transfers, and transitions to human representatives without losing contextual information. Furthermore, agents enjoy access to built-in retrieval functions to obtain data from uploaded documents, while live supervision tools empower operators to oversee calls and offer real-time support to the AI, guaranteeing that conversations are both productive and effectively managed. This holistic strategy not only boosts communication efficiency but also positions ThunderPhone as an indispensable asset for businesses striving to enhance their customer engagement and satisfaction. Ultimately, this innovative platform represents a significant step forward in the evolution of voice AI technology.

What is Gemini 3.8 Flash TTS?

Gemini 3.8 Flash TTS is Google’s advanced text-to-speech model for generating expressive, customizable, and multilingual synthetic speech. The model is designed for creative voice direction, allowing users to generate original characters and vocal personas using natural-language instructions instead of relying only on preset voices. Voice characteristics can be customized by role, accent, timbre, pacing, delivery style, and other attributes across more than 100 languages and dialects. Google also provides a library of more than 2,000 production-ready voices for projects that do not require a newly generated vocal identity. Voice replication can recreate a consistent vocal profile from a short reference sample when the user has permission to use the voice, with built-in consent verification requirements. Creators can direct performances line by line with stage directions and cues for emotion, timing, whispers, pauses, laughs, sighs, gasps, and conversational reactions. Long-form generation is designed to preserve voice quality, pacing, and character identity across extended content such as audiobooks, podcasts, and narrated media. Native two-speaker scene staging allows a single script to produce natural multi-turn dialogue with distinct speakers and controlled conversational timing. These capabilities make Gemini 3.8 Flash TTS applicable to gaming, interactive characters, voice agents, media localization, dubbing, branded voices, podcasts, audiobooks, and other audio-production workflows. Google applies SynthID watermarking to generated audio and supports C2PA credentials and consent checks to improve transparency and protect voice owners. Gemini 3.8 Flash TTS is available through Google AI Studio and the Gemini API, with additional integrations and deployments across Google products, enterprise applications, and third-party developer platforms.

Media

Media

Integrations Supported

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

API Availability

Has API

API Availability

Has API

Pricing Information

2¢ per minute
Free Version

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
Online Training

Training Options

Documentation Hub

Company Facts

Organization Name

ThunderPhone

Company Location

United States

Company Website

thunderphone.com

Company Facts

Organization Name

Google

Date Founded

1998

Company Location

United States

Company Website

google.com

Categories and Features

AI Voice Agents

Not specified

Categories and Features

AI Models

Not specified

AI Voice Models

Not specified

Text to Speech

Not specified

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