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Text-to-Speech AI: Lifelike Speech Synthesis | Google Cloud

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Text-to-Speech

Text-to-Speech AI

Convert text into natural-sounding speech using an API powered by the best of Google’s AI technologies.

New customers get up to $300 in free credits to try Text-to-Speech and other Google Cloud products.

  • Improve customer interactions with intelligent, lifelike responses

  • Engage users with voice user interface in your devices and applications

  • Personalize your communication based on user preference of voice and language

Learn how to create synthetic speech using Text-to-Speech API
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Benefits

High fidelity speech

Deploy Google’s groundbreaking technologies to generate speech with humanlike intonation. Built based on DeepMind’s speech synthesis expertise, the API delivers voices that are near human quality.

Widest voice selection

Choose from a set of 380+ voices across 75+ languages and variants, including Mandarin, Hindi, Spanish, Arabic, Russian, and more. Pick the voice that works best for your user and application.

One-of-a-kind voice

Create a unique voice to represent your brand across all your customer touchpoints, instead of using a common voice shared with other organizations.

Demo

Put Text-to-Speech into action

Type what you want, select a language then click “Speak It” to hear.

Key features

Key features

Gemini-TTS

Synthesize single or multispeaker speech from short snippets to full-length narratives, maintaining contextuality. Precisely dictate style, accent, pace, tone, and emotional expression—all steerable through simple natural-language prompts in 75+ locales. Head to Media Studio or check out our documentation to learn more.

Chirp 3: HD voices

Build engaging agents using the latest spontaneous conversational voices based on AudioML. These voices offer high-quality audio, low-latency streaming, and natural-sounding speech, incorporating human disfluencies, emotional range, and accurate intonation. Head to Media Studio or check out our documentation to learn more.

Chirp 3: instant custom voice

Create personalized voice models with as little as 10 seconds of audio input. Perfect for video games, audiobooks, podcasts, and more. Available in more than 30+ locales. Head to Media Studio or check out our documentation to learn more.

Prompt, text, and SSML support

Control number and time formatting, delivery, pronunciation, and emotion using simple plaintext scripting, SSML tags, or even powerful natural-language prompts depending on model support. Head to Media Studio or check out our documentation to learn more.

Documentation

Documentation

Quickstart

Gemini-TTS

Learn how to precisely control speech synthesis with Gemini-TTS, using natural language prompts to dictate style, tone, pace, and emotional expression.

Quickstart

Chirp 3: HD voices overview

Learn how to synthesize realistic, emotionally resonant speech using Chirp 3: HD voices, and fine-tune the audio with advanced controls and scripting best practices.

Quickstart

Chirp 3: instant custom voice overview

Create personalized and unique voice models using just 10 seconds of audio recordings for your organization. It allows for the rapid generation of personal voices.

Tutorial

Speaking addresses with SSML

Learn how to use Speech Synthesis Markup Language (SSML) to speak a text file of addresses.

Google Cloud Basics

Text-to-Speech basics

A guide to the fundamental concepts of using the Text-to-Speech API.

Google Cloud Basics

Supported voices and languages

Browse guides and resources for this product.

Not seeing what you’re looking for?

Release notes
Read about the latest releases for Text-to-Speech

Use cases

Use cases

Use case
Voicebots in contact centers

Deliver a better voice experience for customer service with voicebots on Dialogflow that dynamically generate speech, instead of playing static, pre-recorded audio. Engage with high-quality synthesized voices that give callers a sense of familiarity and personalization.

Use case
Voice generation in devices

Enable natural communications with your users by empowering your devices to speak humanlike voices as a text reader. Build an end-to-end voice user interface together with Speech-to-Text and Natural Language to improve user experience with easy and engaging interactions.

Use case
Accessible EPGs (Electronic Program Guides)

Easily have the EPGs read text aloud to provide a better user experience to your customers and meet accessibility requirements for your services and applications. Try the EPG demo.

Easily implement text-to-speech functionality in EPGs to provide a better user experience to your customers and meet accessibility requirements for your services and applications. 

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This service was built with Vertex AI. You must be 18 or older to use it. Do not enter sensitive, confidential, or personal info.

All features

All features

Streaming audio synthesis

Power your AI agents with ultra-low-latency speech for seamless, real-time conversations with streaming audio synthesis.

Long audio synthesis

Asynchronously synthesize up to 1 million bytes of input with long audio synthesis.

Voice and language selection

Choose from an extensive selection of 380+ voices across 75+ languages and variants, with more to come soon.

Text and SSML support

Customize your speech with SSML tags that allow you to add pauses, numbers, date and time formatting, and other pronunciation instructions.

Pitch tuning

Personalize the pitch of your selected voice, up to 20 semitones more or less than the default.

Speaking rate tuning

Adjust your speaking rate to be 4x faster or slower than the normal rate.

Volume gain control

Increase the volume of the output by up to 16 db or decrease the volume up to -96 db.

Integrated REST and gRPC APIs

Easily integrate with any application or device that can send a REST or gRPC request including phones, PCs, tablets, and IoT devices (for example cars, TVs, speakers).

Audio format flexibility

Convert text to MP3, Linear16, OGG Opus, and a number of other audio formats.

Audio profiles

Optimize for the type of speaker from which your speech is intended to play, such as headphones or phone lines.

Pricing

Pricing

Text-to-Speech is priced based on the number of characters sent to the service to be synthesized into audio each month. The first 1 million characters for WaveNet voices are free each month. For Standard (non-WaveNet) voices, the first 4 million characters are free each month. After the free tier has been reached, Text-to-Speech is priced per 1 million characters of text processed.

If you pay in a currency other than USD, the prices listed in your currency on Google Cloud SKUs apply.

Take the next step

New customers get $300 in free credits to try Text-to-Speech and other Google Cloud products.

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