Text to speech

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Text-to-Speech

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

Try it free Contact sales

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

Google Cloud named a Leader in the 2020 Magic Quadrant for Cloud AI Developer Services
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BENEFITS

High 몭delity 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 220+ voices across 40+ 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.

 Text to speak:

Google Cloud Text-to-Speech enables developers to synthesize natural-sounding speech with 100+ voices,

Google Cloud Text-to-Speech enables developers to synthesize natural-sounding speech with 100+ voices,

available in multiple languages and variants. It applies DeepMind’s groundbreaking research in WaveNet

and Google’s powerful neural networks to deliver the highest 몭delity possible. As an easy-to-use API, you

can create lifelike interactions with your users, across many applications and devices. text ssml

 Language / locale  Voice type  Voice name

English (United States) WaveNet en-US-Wavenet-D

 Audio device pro몭le Speed: 1.00Pitch: 0.00

Default

Show JSON SPEAK IT











KEY FEATURES

Key features

Custom Voice (beta)
Train a custom voice model using your own audio recordings to create a unique and more natural sounding voice for
your organization. You can de몭ne and choose the voice pro몭le that suits your organization and quickly adjust to
changes in voice needs without needing to record new phrases.

WaveNet voices
Take advantage of 90+ WaveNet voices built based on DeepMind’s groundbreaking research to generate speech that
signi몭cantly closes the gap with human performance.

Voice tuning
Personalize the pitch of your selected voice, up to 20 semitones more or less from the default. Adjust your speaking
rate to be 4x faster or slower than the normal rate.

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

View all features

WHAT’S NEW

What's new

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VIDEO BLOG POST

How to conve몭 PDFs to Conversational AI drives be몭er
audiobooks with machine customer experiences
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DOCUMENTATION

Documentation

GOOGLE CLOUD BASICS

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

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QUICKSTART

Quicksta몭: Using the command line
Set up your Google Cloud project and authorization and make a request for Text-to-Speech
to create audio from text.

Learn more

GOOGLE CLOUD BASICS

Suppo몭ed voices and languages
Browse guides and resources for this product.

Learn more

GOOGLE CLOUD BASICS

Custom Voice (beta) overview
Learn how you can create a unique and more natural-sounding voice with Custom Voice
using your own studio-quality audio recordings.

Learn more

TUTORIAL

WaveNet and other synthetic voices
Learn about the different synthetic voices available for use in Text-to-Speech, including the
premium WaveNet voices.

Learn more

TUTORIAL

Speaking addresses with SSML

This tutorial demonstrates how to use Speech Synthesis Markup Language (SSML) to speak
a text 몭le of addresses.

Learn more

Not seeing what you’re looking for?
View all product documentation

Explore more docs

Quicksta몭s
Get a quick intro to using this product.
How-to guides
Learn to complete speci몭c tasks with this product.
Tutorials
Browse walkthroughs of common uses and scenarios for this product.
APIs & references
View APIs, references, and other resources for this product.

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 Dialog몭ow 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.

0 Phone call Telephony  1 Transcribe Speech­to­Text  2 Generate response
Partner API

3 Synthesize Text­to­Speech  Dialogflow 
API Virtual Agent

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.

0 Unique secure  IoT Core
identity
2 Cloud Functions
IoT Device Text­to­Speech 
3 Transcribe API
User voice  Speech­to­Text  5 Synthesize
1 command API

4 Intent and entity extraction
AutoML

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. 

Text­to­Speech API cdn.example.com
Text­to­Speech Cloud CDN

4 Send text to API 9 Fetch audio
speech­storage­bucket
6 Generate signed URL
Cloud Storage
1 User input epg­ui 2 Send text payload get­speech­service 3 Check cache for audio
10 Play audio Cloud Run 7 Return audio URL
Cloud Run 5 Store generated audio

0 Load signing key

8 Load audio Signed URL Key
Secrets Manager

View all technical guides

ALL FEATURES

All features

Custom Voice (beta) Train a custom speech synthesis model using your own
audio recordings to create a unique and more natural-
sounding voice for your organization. You can de몭ne
and choose the voice pro몭le that suits your
organization and quickly adjust to changes in voice
needs without needing to record new phrases. Learn
more.

Voice and language selection Choose from an extensive selection of 220+ voices
WaveNet voices across 40+ languages and variants, with more to come
soon.
Text and SSML suppo몭
Pitch tuning Take advantage of 90+ WaveNet voices built based on
Speaking rate tuning DeepMind’s groundbreaking research to generate
Volume gain control speech that signi몭cantly closes the gap with human
Integrated REST and gRPC APIs performance.
Audio format 몭exibility
Audio pro몭les Customize your speech with SSML tags that allow you
to add pauses, numbers, date and time formatting, and
other pronunciation instructions.

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

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

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

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

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

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 몭rst 1 million characters for WaveNet voices are free each month. For Standard (non-WaveNet) voices, the
몭rst 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.

View pricing details

View pricing details

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