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Amazon Polly

Summary

Amazon Polly is AWS's cloud text-to-speech service that turns written scripts into downloadable speech through an API, a command line or a browser console. It offers four voice engines, dozens of named voices and markup tags that shape pronunciation and delivery.

From
Freethen $4 per 1m characters
Open source
No
API
Yes
Best for
Developers adding spoken output to apps, e-learning and phone systems

What we checked

Pages last read
Price on its site
Free planFrom its pricing page

Amazon Polly price and terms

Terms

Free plan
YesYes5 million characters a month on Standard voices
The terms in full

1 million Neural, 500,000 Long-Form and 100,000 Generative characters a month for the first 12 months. New accounts since 15 July 2025 also get up to $200 in AWS Free Tier credits, usable within 12 months of sign-up.

Sign up without sales
YesYes

For AI agents

API
Yes
Amazon Polly's pricing page

Pricing page, captured

aws.amazon.com/polly/pricing, checked

What we checked on Amazon Polly

YesPartlyNo

What an hour of speech costsYes

Cost for 2 hours a month

$0 a month on AWS Free Tier - Standard voices for 2 hours of 60 minutes. credits counted per character or per word are converted at the standard hour: 52,000 characters, 9,300 words

For Amazon Polly's Standard voices, the free tier includes 5 million characters per month for speech or Speech Marks requests.

aws.amazon.com/polly/pricingChecked

What an hour of speech costsYes

Cost for 10 hours a month (heavy use)

$0 a month on AWS Free Tier - Standard voices for 10 hours of 60 minutes. credits counted per character or per word are converted at the standard hour: 52,000 characters, 9,300 words

On the page: Free tier section, 'Millions of characters per month'

aws.amazon.com/polly/pricingChecked

What an hour of speech costsNo

Promotion and regular price

none — the published rate is the standing pay-as-you-go price per million characters, billed monthly for what you used, with no introductory discount and no annual commitment shown on the pricing page.

Pay-as-you-go model You are billed monthly for the number of characters of text that you processed.

aws.amazon.com/polly/pricingChecked

What an hour of speech costsYes

What the price counts

Billing counts characters of input text, not minutes or credits: $4.00 per million characters for Standard voices, $16.00 Neural, $30.00 Generative and $100.00 Long-Form, with no monthly plan allowance to buy.

Amazon Polly's Standard voices are priced at $4.00 per 1 million characters for speech or Speech Marks requests (when outside the free tier).

aws.amazon.com/polly/pricingChecked

What an hour of speech costsYes

Voices that use more

The newer and higher-quality voices cost far more per character: Neural is four times the Standard rate, Generative seven and a half times, and Long-Form twenty-five times, so voice choice drives the bill.

Amazon Polly's Long-Form voices are priced at $100.00 per 1 million characters for speech or Speech Marks requested (when outside the free tier).

aws.amazon.com/polly/pricingChecked

What an hour of speech costsYes

Past your allowance

There is no plan to exhaust: once the free tier allowance for a voice type is used up, every further character is billed at that voice type's published per-million rate, and requesting timing data is billed again.

Yes. You will be charged for every request for speech or Speech Marks based on the number of characters you send to the service.

aws.amazon.com/polly/faqsChecked

What an hour of speech costsYes

Commercial use

Output may be published and resold from the first character, free tier included: the vendor states no restrictions on storing or reusing generated speech and confirms the audio belongs to you.

Amazon Polly's pay-as-you-go pricing, low cost per request, and lack of restrictions on storage and reuse of voice output make it a cost-effective…

aws.amazon.com/polly/faqsChecked

The voicesYes

Stock voices

The vendor describes dozens of lifelike voices across four engines, and its own table names them one by one with a listenable sample for each voice and variant.

Amazon Polly includes dozens of lifelike voices and support for a variety of languages, so you can select the ideal voice and distribute your…

aws.amazon.com/polly/featuresChecked

The voicesYes

Languages

Its voice table covers roughly thirty languages with named regional accents, including US, UK, Australian, Indian, Irish, New Zealand, Singapore and South African English, plus Arabic, Cantonese, Mandarin, Japanese and Korean.

On the page: 'Wide Selection of Voices and Languages' voice table, Language or Language variant column

aws.amazon.com/polly/featuresChecked

The voicesNo

Re-voice your recording

It converts written text only; you send text and get audio back, so there is no way to record your own line and have it returned in another voice with your timing.

Amazon Polly is easy to use - you just send the text you want converted into speech to the Amazon Polly API, and Amazon Polly immediately returns the…

aws.amazon.com/polly/faqsChecked

The voicesYes

Emotion, pace and emphasis

Markup tags set speaking rate, pitch, volume, pauses, emphasis and a whisper effect, and some Neural voices can be switched to a newscaster reading style.

You can control various aspects of speech such as pronunciation, volume, pitch, speech rate, etc. using standardized Speech Synthesis Markup Language…

aws.amazon.com/polly/faqsChecked

The voicesYes

Pronunciation fixes

Custom pronunciation dictionaries fix names, acronyms and foreign words once and are reapplied to every request, with up to 100 stored per account and five applied per text.

With Amazon Polly's custom lexicons, or vocabularies, you can modify the pronunciation of particular words, such as company names, acronyms, foreign…

aws.amazon.com/polly/featuresChecked

The voicesPartly

Long scripts and chapters

Long scripts go through the asynchronous task operation, capped at 100,000 billed characters per submission, while a single direct request takes 3,000 billed characters and ten minutes of audio; there are no chapters or per-line regeneration.

The size of the input text can be up to 100,000 billed characters (200,000 total characters).

docs.aws.amazon.com/polly/latest/dg/lim…Checked

The voicesNo

Several speakers

One request speaks in one voice: the markup tag that would switch voices inside a document is listed as unsupported, so dialogue or a two-host show needs separate requests stitched together yourself.

The <audio>, <lexicon>, <lookup>, and <voice> tags are not supported.

docs.aws.amazon.com/polly/latest/dg/lim…Checked

The voicesYes

Audio you get

Downloads and streams come as MP3, Ogg Vorbis or raw PCM, with a choice of sampling rates up to 24 kHz so you can trade file size against audio quality.

Amazon Polly supports MP3, Vorbis, and raw PCM audio stream formats.

aws.amazon.com/polly/featuresChecked

Cloning a voicePartly

Instant cloning

A custom voice exists only as Brand Voice, a bespoke engagement where the vendor's team records a chosen actor and trains the model; there is no self-serve clone from a short sample you upload.

Brand Voice is a custom engagement where you work with the Amazon Polly team to build an Neural Text-to-Speech (NTTS) voice for the exclusive use of…

aws.amazon.com/polly/featuresChecked

Cloning a voicePartly

Professional cloning

Brand Voice is the high-fidelity option: the vendor records an actor, trains a model and releases the voice to your account alone, but it is quoted case by case rather than sold on the price list.

We work with you throughout the entire process to identify the persona, identify an actor or actress and record their speech, and ultimately build…

aws.amazon.com/polly/featuresChecked

Cloning a voiceYes

Your voice trains their models

The vendor says it may keep and use the text you send to improve its own machine learning, and an account-level opt-out policy is documented for turning that off.

Amazon Polly may store and use text inputs processed by the service solely to provide and maintain the service and to improve and develop the quality…

aws.amazon.com/polly/faqsChecked

Dubbing and translationNo

Video dubbing

It never takes a video: the vendor's own localization example has you translate the text with a separate service and then voice it here, so dubbing is something you assemble around the product.

Let's say you translate the text using Amazon Translate and voice it with Polly.

aws.amazon.com/polly/featuresChecked

Dubbing and translationPartly

Lip sync

It does not touch video, but it returns lip-shape and word timing data alongside the audio so your own app can animate an avatar's mouth in step with the speech.

Viseme, which describes the shape of the lips that corresponds to the sound that is spoken

aws.amazon.com/polly/faqsChecked

Dubbing and translationPartly

Captions and subtitles

It emits sentence and word timing data as a stream your app can use for karaoke-style highlighting, but the vendor describes it for animation and highlighting, not as downloadable caption or subtitle files.

Speech Marks are delivered in form of a JSON stream -- specifically, a set of standalone JSON objects delimited with new lines

aws.amazon.com/polly/faqsChecked

Working with itPartly

Voice to video

There is no video editor here, but it can compress a reading into a maximum duration you set so a localized track still fits the original picture.

Amazon Polly enables you to automatically adjust the speech rate based on a maximum allotted amount of time you define with a feature called…

aws.amazon.com/polly/featuresChecked

Working with itYes

API

An API is the main way in, with official kits for Java, Node.js, .NET, PHP, Python, Ruby, Go, C++, iOS and Android, plus a plain HTTP interface and a command line.

Amazon Polly can be accessed via the Polly API (and various language-specific SDKs), AWS Management Console, and the AWS command-line interface (CLI).

aws.amazon.com/polly/featuresChecked

Working with itYes

API price

The API price is the product price and it is public per million characters: $4.00 Standard, $16.00 Neural, $30.00 Generative, $100.00 Long-Form, with higher rates in the US government regions.

Amazon Polly's Neural voices are priced at $16.00 per 1 million characters for speech or Speech Marks requested (when outside the free tier).

aws.amazon.com/polly/pricingChecked

Working with itYes

Platforms

web, ios, android — you can type a script and save audio in the browser console, and the vendor ships mobile kits for iPhone and Android; no desktop app for Windows or Mac is offered.

Amazon Polly supports all the programming languages included in the AWS SDK (Java, Node.js, .NET, PHP, Python, Ruby, Go, and C++) and AWS Mobile SDK…

aws.amazon.com/polly/featuresChecked

Working with itPartly

Works inside

The named integrations are telephony and contact-center ones such as Amazon Connect, Genesys Cloud CX and the Chime kit; nothing connects it to creator tools like Canva, Adobe or WordPress.

Amazon Polly is natively integrated with Connect Customer, AWS' cloud-based contact center solution

aws.amazon.com/polly/featuresChecked

Labelling and rightsYes

Who owns the audio

The vendor states the recordings are yours and puts no limit on storing or replaying them, including static prompts replayed endlessly, with no clause ending the right if you stop paying.

As between you and AWS, your Polly output belongs to you.

aws.amazon.com/polly/faqsChecked

Trying it, starting and getting helpYes

Free plan or trial

New accounts get 5 million characters a month on Standard voices, with 1 million Neural, 500,000 Long-Form and 100,000 Generative for the first twelve months, usable on your own script in the console.

On the page: Free tier section, 'Millions of characters per month'

aws.amazon.com/polly/pricingChecked

Trying it, starting and getting helpNo

What the free plan leaves on your audio

Free tier audio carries no stated watermark or credit requirement and the vendor advertises no restrictions on storing and reusing the output, so free characters may be published commercially.

On the page: General section, 'What is Amazon Polly?'

aws.amazon.com/polly/faqsChecked

Trying it, starting and getting helpYes

Still sold

live — sold to new customers today, with open sign-up, a rate card updated this month and a free tier credit scheme that began in July 2025.

With Amazon Polly, you only pay for what you use. You are charged based on the number of characters of text that you convert either to speech or to…

aws.amazon.com/polly/pricingChecked

Trying it, starting and getting helpYes

Sign up without a sales call

You sign up, open the console and start typing text to hear or save audio without talking to anyone; only the custom Brand Voice route requires a sales conversation.

Simply login to your AWS account and navigate to the Amazon Polly console (which is a part of the AWS Console). You can then use the console to type…

aws.amazon.com/polly/faqsChecked

Trying it, starting and getting helpYes

Contract and cancelling

There is no term and no plan to cancel: you are invoiced each month for the characters you actually processed, so stopping use stops the charges.

You are billed monthly for the number of characters of text that you processed.

aws.amazon.com/polly/pricingChecked

Amazon Polly alternatives

All 9 alternatives

Sources and changes

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What changed on this page1

  • Dubbing features, free tier, license terms, plan limits, plans

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