Amazon Polly is a cloud-based text-to-speech service that converts written text into lifelike speech, offering a powerful tool to enhance user experiences with natural-sounding voices. Imagine transforming your applications with a voice that captivates and engages your audience.

This review provides an in-depth analysis of Amazon Polly’s main features, advantages, and drawbacks, as well as its pricing structure. We also identify the target audience best suited for this service and offer a brief overview of alternative solutions.

Whether you’re a developer looking to implement voice interaction in your app or a content creator seeking to enrich your multimedia projects, this review will help you determine if Amazon Polly is the right choice for your needs.

Want to quickly generate speech for your content projects? Try FineVoice, an online TTS service that offers more than 1,000 AI voices in 59 languages for podcasts, audiobooks, documentaries, commercials, and e-courses.

Overview of Amazon Polly

Starting with this section, we will learn everything about Amazon Polly including what it is, main features, pros and cons, and plan pricing. After reading this section, you will know what it can do for you.

What is Amazon Polly?

Amazon Polly is a cloud service provided by Amazon Web Services (AWS) that converts text into lifelike speech. Developers can use Amazon Polly to create applications that engage users through spoken content. With dozens of lifelike voices available across a broad set of languages, Amazon Polly supports multiple use cases, including content creation, e-learning, and telephony. It allows customization of speech output using Speech Synthesis Markup Language (SSML) tags and lexicons.

Whether you’re building voice-enabled applications or enhancing user experiences, Amazon Polly offers a powerful solution for natural-sounding speech generation.

Amazon Polly
Amazon Polly

Key Features of Amazon Polly

Simple-to-Use API:  Quickly integrate speech synthesis into your application using the Amazon Polly API. Send text, and Polly returns an audio stream in formats like MP3.

Wide Selection of Voices & Languages:  Choose from dozens of lifelike voices in 39 languages. Amazon Polly offers Standard, Neural Text-to-Speech (NTTS), Long-Form, and Generative voices.

Synchronize Speech for Enhanced Visual Experience:  Request metadata about when specific sentences, words, and sounds are pronounced. Use this alongside the audio stream for visual enhancements like facial animation or word highlighting.

Optimize Streaming Audio:  Stream real-time information to users. Amazon Polly supports MP3, Vorbis, and raw PCM audio formats, allowing you to balance bandwidth and audio quality.

Adjust Speaking Style, Rate, Pitch, and Loudness:  Customize speech using Speech Synthesis Markup Language (SSML). Create lifelike voices, including Newscaster style, pitch variations, and whispering.

Brand Voice:  Collaborate with Amazon Polly to build a unique NTTS voice exclusively for your organization.

Contact Center Integrations:  Polly integrates with Amazon Connect, Genesys Cloud CX, and other platforms for voice bots and customer service applications.

Custom Lexicons:  Customize pronunciation with custom lexicons.

?? Pros:

  • Natural-Sounding Voices:  Polly leverages deep learning to generate remarkably natural voices, making applications more user-friendly and engaging.
  • Diverse Voice Selection: It offers a variety of voices in numerous languages, including English, Spanish, Arabic, and Chinese, providing flexibility for different audiences.
  • Integration Ease: Integrating Polly into various applications is straightforward, especially if you’re familiar with AWS.
  • Scalability: The service scales well to accommodate growing projects or business needs.

?? Cons:

  • Cost Structure: For extensive use, especially in larger projects or businesses, costs can accumulate significantly.
  • Nuanced Inflections: While the voices are lifelike, certain inflections or tones might not always sound entirely natural.
  • Learning Curve: Deeper customization of voice characteristics or creating entirely unique voices isn’t straightforward.

Amazon Polly Pricing – How Much is Amazon Polly?

Voice Type Price per 1 Million Characters
Standard voices $4.00
Neural voices $16.00
Long-Form voices $100.00
Generative voices $30.00

Free Tier (First 12 Months):

How to Use Amazon Polly?

Let’s get started with the Amazon Polly Text to Speech (TTS) service. Here’s an easy step-by-step guide to walk you through it.

Step 1. Sign Up for AWS

If you haven’t already, create an Amazon Web Services (AWS) account.

Step 2. Access Amazon Polly:

Sign in to the AWS Management Console.

Open the Amazon Polly console at

Step 3. Try It Out on the Console:

Choose the Text-to-Speech tab.

The text field will load with example text, allowing you to quickly try out Amazon Polly.

Turn off SSML (Speech Synthesis Markup Language).

Under Engine, choose Standard, Neural, or Long Form voices.

Step 4. Customize Your Output:

Enter your own text in the text field.

Select the desired voice and language.

Listen to the speech output.

Download it as an MP3 or save it to an S3 bucket.

Polly Text to Speech
Polly Text to Speech

Visit Polly’s Getting Started page for detailed how-to videos, documentation, code samples, and SDKs.

Who Is Amazon Polly for?

Amazon Polly is an advanced text-to-speech service that caters to a wide range of users needing high-quality, natural-sounding speech synthesis for various applications. Here’s a concise look at who should and shouldn’t consider using Amazon Polly.

Who Should Choose Amazon Polly

Developers and Programmers:

Businesses and Enterprises:

Who Should Not Choose Amazon Polly

Budget-Conscious Users

Users Requiring Human-Like Nuances

Non-Technical Users

Highly Custom Audio Projects

In summary, Amazon Polly is a powerful tool for natural-sounding speech, but you should consider their specific requirements and weigh them against the pros and cons before making a decision.

User Reviews for Amazon Polly

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Frequently Asked Questions about TTSMaker

1. What is Amazon Polly?

Amazon Polly is a cloud-based text-to-speech service that converts text into lifelike speech. It uses advanced deep learning technologies to synthesize speech that sounds like a human voice.

2. How do I integrate Amazon Polly into my application?

Amazon Polly can be integrated into applications using its API. The API supports multiple programming languages, including Python, Java, and JavaScript. Developers can use AWS SDKs to simplify the integration process.

3. What languages and voices does Amazon Polly support?

Amazon Polly supports dozens of languages and offers a wide range of voices, including both male and female options. The service also provides neural text-to-speech (NTTS) voices that offer improved naturalness and expressiveness.

4. What are the pricing details for Amazon Polly?

Amazon Polly pricing is based on the number of characters processed. The first 5 million characters per month are free, and after that, there is a pay-as-you-go model. Detailed pricing information can be found on the AWS website.

5. Is Amazon Polly worth it?

Amazon Polly is worth it for users who need high-quality, scalable text-to-speech services. Its extensive language support, variety of voices, and customization options through SSML make it a versatile tool for various applications. While it may be costly for high-volume use, its integration capabilities and natural-sounding speech justify the investment for many businesses and developers.

6. Is Amazon Polly safe?

Yes, Amazon Polly is safe. It leverages the security infrastructure of Amazon Web Services (AWS), which includes data encryption both in transit and at rest. AWS maintains numerous certifications and adheres to industry-standard security practices to ensure the safety and privacy of user data.

7. Can I use Amazon Polly offline?

No, Amazon Polly is a cloud-based service and requires an internet connection to process and generate speech.

8. Is Amazon Polly suitable for real-time applications?

Yes, Amazon Polly is designed for low latency and can be used in real-time applications, such as interactive voice response (IVR) systems and chatbots.

9. How can I improve the naturalness of the speech generated by Amazon Polly?

To enhance the naturalness of the speech, you can use neural text-to-speech (NTTS) voices, apply SSML tags for better control, and choose appropriate voices and languages for your content.

Best Alternatives to Amazon Polly

When considering text-to-speech solutions, it’s important to evaluate various options to find the best fit for your needs. Below is a comparison table of Amazon Polly’s leading alternatives in 2024. Each service has its unique strengths and weaknesses, making them suitable for different user scenarios.

Service Pros Cons User Scenarios
Amazon Polly High-quality voices
Support 39 languages, SSML customization
Easy API integration
Can be costly for high-volume use
Requires technical expertise for setup
Content creators
Educational institutions needing scalable text-to-speech
Google Cloud Text-to-Speech Natural-sounding voices
30 voices in multiple languages
High fidelity audio using DeepMind’s WaveNet and neural networks
Higher cost compared to some alternatives
Primarily designed for Google ecosystem
Voice-enabled applications
Multilingual content
IVR systems,
Accessibility features
Multimedia presentations
E-learning platforms
Microsoft Azure Text-to-Speech High-quality and diverse voices
Robust API
Supports SSML and neural voices
Integrates with Azure services
Complex pricing model
May be overkill for small projects
Chatbots and virtual assistants
Customer service applications
IVR systems
Accessibility features
Multilingual applications
Audio content generation
IBM Watson Text-to-Speech Customizable voices
Expressive styles
Integrates with IBM Cloud services
Higher cost
Learning curve for customization features
Customized voice interfaces
Conversational AI
IVR systems
Multilingual applications
Accessibility features
FineVoice Affordable
Supports multiple languages
High-quality output
Limited free version
No API supports
Small businesses
Content creators
Educators needing affordable and easy-to-use text-to-speech


Amazon Polly is highly suitable for developers and businesses needing robust and scalable solutions.

Google Cloud Text-to-Speech and Microsoft Azure Text-to-Speech provide deep integration with their respective ecosystems, ideal for users already invested in those platforms.

IBM Watson Text-to-Speech is best for enterprises needing highly customizable options.

FineVoice offers a more affordable and user-friendly alternative for smaller projects.

Wrap It Up!

In this review, we explored Amazon Polly’s main features, such as its ability to convert text into lifelike speech and its customization options. We discussed the pros, including high-quality voice output and ease of integration, as well as the cons, like occasional pronunciation issues. The pricing structure was examined, revealing a cost-effective solution for many users. We also identified the ideal audience for Polly, from developers to content creators, and briefly introduced alternative options.

Overall, Amazon Polly is a robust and versatile text-to-speech service that offers significant benefits for various applications. We recommend it for those seeking an affordable, high-quality solution for adding voice interaction to their projects.

We’d love to hear your thoughts! Leave your comments and reviews below to share your experiences with Amazon Polly.

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