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The Pros and Cons of Using AWS Polly for Your Business

Updated on
Jan 31, 20246 min read
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    Table of content

  • What is AWS Polly?
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  • Why Should Businesses Use AWS Polly?
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  • Pros of Using AWS Polly for Your Business
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  • Cons of Using AWS Polly for Your Business
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  • How to Use AWS Polly
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  • Use Cases of AWS Polly for Businesses
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  • Competitors of AWS Polly
  • Conclusion
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  • Frequently Asked Questions

Are you looking for a way to enhance your business's user experience with the latest technology? Look no further than AWS Polly, Amazon's text-to-speech service that converts written text into lifelike speech. But before you dive in, it's essential to weigh the pros and cons of using this service for your business.

79% of consumers prefer interacting with a chatbot for its 24/7 availability, and 63% of customers prefer to chat with chatbots to get quick answers to their questions. By incorporating AWS Polly into your business strategy, you can not only provide 24/7 assistance but also ensure that the information is delivered in a clear, natural-sounding voice that engages your customers.

In this blog, We'll delve into the features of this service, how it works, and its benefits. By the end of this blog, you'll better understand whether AWS Polly is the right choice for your business and how it can help you deliver an exceptional customer experience.

What is AWS Polly?

What is AWS Polly?

AWS Polly is a cloud-based service that uses advanced deep-learning technologies to convert written text into natural-sounding speech. With over 60 voices in 29 languages, AWS Polly allows businesses to create a lifelike speech customized to fit their brand's personality.

How AWS Polly Converts Text into Lifelike Speech

At its core, AWS Polly leverages advanced machine-learning algorithms to analyze and understand the input text. It then applies linguistic and acoustic knowledge to generate remarkably human-like speech. The process involves breaking down the text into smaller units, such as phonemes and prosody, and applying the appropriate intonations, stress, and rhythm to create natural-sounding speech output.

Why Should Businesses Use AWS Polly?

Why Should Businesses Use AWS Polly?

Businesses should consider using AWS Polly for several compelling reasons:


Using AWS Polly is cost-effective for businesses as it eliminates the need for expensive voice actors and studio equipment.


Using AWS Polly can save time for businesses as it can quickly convert text to speech, which would otherwise take time to record and edit with a human voice.

Customizable Voices

Customizable Voices

AWS Polly provides various voices with different accents, languages, and tones. This enables businesses to customize the voice output to suit their brand's personality.

Multilingual Capabilities

AWS Polly supports over 29 languages, enabling businesses to communicate with customers in their preferred language.

Accessibility for Visually Impaired Users

AWS Polly can help businesses reach visually impaired customers by providing text-to-speech capabilities.

Enhanced User Experience

Using AWS Polly can help businesses enhance the user experience by providing a natural-sounding voice output that engages and interacts with customers.

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Pros of Using AWS Polly for Your Business

Using AWS Polly for your business offers several key advantages

Pros of Using AWS Polly for Your Business

High-quality Voice Output: 

AWS Polly offers advanced text-to-speech technology, delivering high-quality voice output that sounds natural and engaging. It creates a professional and immersive customer experience, enhancing brand image and engagement.

Wide Range of Languages and Accents: 

With support for various languages and accents, AWS Polly enables businesses to cater to a global audience. It ensures your content is accessible and understandable to customers from diverse linguistic backgrounds.

Integration with Other AWS Services: 

AWS Polly integrates with other AWS services, such as Amazon S3 and Amazon EC2. This integration streamlines workflows, enabling easy implementation and utilization of Polly's capabilities within your existing infrastructure.

User-friendly Interface: 

AWS Polly offers a user-friendly interface, making it easy for businesses to utilize its features. The intuitive design allows for effortless text input, voice selection, and customization options, ensuring a smooth user experience.

Consistency in Voice Output: 

By utilizing AWS Polly, businesses can achieve consistency in voice output across different platforms and channels. Polly delivers consistent voice quality and tone, unlike human voice actors, maintaining a cohesive brand identity.

Flexibility in Usage: 

AWS Polly provides voice selection, language choices, and tone variations flexibility. This allows businesses to tailor the voice output to suit their requirements, creating a personalized and impactful customer experience.

Cons of Using AWS Polly for Your Business

While AWS Polly offers several advantages for businesses, there are also some potential drawbacks to consider

Cons of Using AWS Polly for Your Business

Lack of Emotional Variety in Voices

While AWS Polly offers natural-sounding voices, it lacks the emotional range and nuances that human voice actors can provide. This can impact the ability to convey complex emotions or create a more personalized and empathetic experience.

Limited Voice Customization Options

While AWS Polly offers a range of voices, businesses may require more customization options to match their brand identity or specific requirements. The limited voice customization options may restrict the desired level of personalization.

Limited Control over Pronunciation

AWS Polly provides limited control over the pronunciation, which can result in mispronunciation of certain words or terms. Businesses that rely on precise and accurate pronunciation may find this limitation challenging.

Potential Privacy Concerns

As AWS Polly involves using text-to-speech technology, businesses should consider potential privacy concerns. Using sensitive or confidential information with AWS Polly may pose risks if not handled securely and in compliance with privacy regulations.

Potential Over-reliance on Technology

Relying solely on AWS Polly for voice output may lead to over-reliance on technology. Businesses should ensure they have backup plans in case of technical issues or downtime to avoid customer interactions or communication interruptions.

How to Use AWS Polly

To use AWS Polly effectively, follow these steps:

Setting up AWS Polly

To use AWS Polly, businesses must set up an AWS account and create an Amazon S3 bucket.

Creating a Voice

AWS Polly provides a range of voices to choose from, which can be customized to suit the brand's personality.

Converting Text into Speech

AWS Polly provides an easy-to-use API that can convert written text into lifelike speech.

Tips for Optimizing AWS Polly for Your Business Needs

To optimize AWS Polly, businesses should choose the right voice, tone, and language to suit their brand's personality.

Use Cases of AWS Polly for Businesses

AWS Polly offers a wide range of use cases for businesses across various industries. 

Marketing and Advertising

Using AWS Polly, businesses can create engaging advertisements and marketing messages that capture the attention of their target audience.

E-learning and Training

AWS Polly can create lifelike voiceovers for e-learning courses and training programs, making them more engaging and effective.

Customer Service and Support

AWS Polly can be used to provide 24/7 assistance to customers, ensuring that they receive quick and accurate responses to their queries.

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Gaming and Entertainment

AWS Polly can provide lifelike voice output for gaming and entertainment applications, enhancing the user experience.

IoT and Smart Home Devices

AWS Polly can provide voice output for IoT and smart home devices, enabling users to interact with these devices through voice commands.

Accessibility for Visually Impaired Users

AWS Polly can provide text-to-speech capabilities for visually impaired users, making accessing information more accessible.

Competitors of AWS Polly

While AWS Polly is a leading text-to-speech solution, there are other competitors in the market that offer similar capabilities.

Google Text-to-Speech

Google Text-to-Speech is a text-to-speech service available on Android devices and supports multiple languages.

Microsoft Azure Text-to-Speech

Microsoft Azure Text-to-Speech is a cloud-based service that provides lifelike voice output for businesses.

IBM Watson Text-to-Speech

IBM Watson Text-to-Speech is a cloud-based service that provides lifelike voice output for businesses and supports multiple languages.


In conclusion, AWS Polly is a powerful tool that can enhance the user experience for businesses. While it provides various benefits, such as cost-effectiveness, time-saving, and customizable voices, it also has limitations, such as limited voice customization options and a lack of emotional variety. However, with its user-friendly interface, easy integration with other AWS services, and wide range of languages and accents, AWS Polly is worth considering for businesses looking to enhance their user experience with lifelike voice output.

Frequently Asked Questions

Can I use AWS Polly for languages other than English?

AWS Polly supports over 29 languages and can create speech output in a wide range of accents and tones.


How accurate is AWS Polly's pronunciation, and can it be improved?

AWS Polly's pronunciation is generally accurate, but businesses can fine-tune the pronunciation of certain words using SSML tags.


Does AWS Polly offer a free trial or demo?

AWS Polly offers a free tier allowing businesses to experiment with the service and test its capabilities.


What security measures does AWS Polly have in place to protect my data?

AWS Polly has robust security measures in place, including data encryption, access control, and network security protocols


What kind of customer support does AWS Polly offer, and how can I get in touch?

AWS Polly offers 24/7 customer support through various channels, including email, phone, and chat, as well as documentation and forums.

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