Discover top guides, trends, tips and expertise from AIO Writers

Top 10: What is the Best AI Voice Generator?

Julia McCoy
Friday, 15th Dec 2023
what is the best ai voice generator

Imagine having a personal assistant, always ready to read out your emails or the latest news in whatever voice you choose. Sounds like science fiction? Not anymore! Welcome to the world of AI voice generators.

If you’re curious about this futuristic technology, you may be asking, “What is the best AI voice generator?”

Well, we’re about to embark on an exciting journey that will help us answer just that!

In this piece, we’ll delve deep into voice synthesis models and how artificial intelligence can turn simple text prompts into a human voice. You will learn how to evaluate the quality of sound effects, the language options available, what is the best AI voice generator, and how AI voices can impact the future of speech.

We’ll review top-notch platforms such as Google Text-to-Speech and Amazon Polly among others. Buckle up because, by the end of this article, you’ll know exactly which tool fits your needs perfectly!

Table Of Contents:

Exploring the World of AI Voice Generators

Welcome to the exciting realm of AI voice generators.

AI voice generators are now a major part of the modern technological landscape. They help create realistic custom voices for various applications — from text-to-speech software and virtual assistants to audiobooks and automated customer service responses.

Cool, right?

AI voice generators use deep learning algorithms to mimic human speech patterns. It’s like a vocal impersonator that never needs a break.

Their magic lies in their ability to understand the context, intonation, and emotion behind words – resulting in fluent and natural-sounding speech.

A single generator can produce an array of human voices with different accents or languages. Imagine having access to an entire cast for your next audio project with just one click!

You’ll love how customizable these tools are too. Adjust the speed and tone, or even add pauses, wherever you need them. This provides you with total power over how your communication is conveyed.

Gone are the days when you needed expensive studio equipment or professional voice actors for high-quality voiceovers. With AI, creating compelling audio content has become more cost-effective than ever before.

Remember though; not all generators are created equal.

Stay tuned as we dive into our top picks later.


Qualities of a Good AI Voice Generator

For audio content creators, selecting the right AI voice generator is no small task. It’s akin to selecting the ideal footwear; it needs to fit snugly and fulfill its purpose effectively.

Top-Notch Voice Quality

The first thing you should look for in an AI voice generator is top-notch voice quality. Think about it, would you want your content narrated by a robotic monotone? Of course not. You’ll want natural-sounding voices that resonate with your audience.

Multilanguage Support

We live in a globalized world, so having language support becomes crucial when choosing an AI voice generator. Make sure to select one that supports multiple languages and accents.

Customization Options

Your brand has its unique identity, doesn’t it? So why settle for generic voices? Look for voice cloning options where you can customize the pitch, speed, and tone to give your content a distinctive feel.

Flexible Pricing

Last but not least: pricing. Sure we all love free stuff but remember there’s no such thing as free lunch. While free AI voice generators allow you to try the tech without spending a dime, features may be limited compared to what a premium model may offer.

When trying to recreate AI voices with a speech generator tool, check if there are hidden costs or whether upgrades come at exorbitant prices before settling on any particular software. You don’t want any surprises down the line.

What is the Best AI Voice Generator?

If you’re in the market for an AI voice generator, there’s no shortage of options. What AI voice generator is the right choice for you?

Let’s look at some of the top contenders.

1. Google Text-to-Speech

Google Text-to-Speech stands tall with its robust features and wide language support. Its powerful voices and user-friendly design come at a cost.

The first thing that stands out about Google Text-to-Speech is its superior voice quality. This audio file generator supports multiple languages and variants, which can be helpful if your audience spans across different countries or regions.

Beyond language support, this AI text-to-speech platform also allows users to customize different aspects of speech such as pitch and speed. It gives an extra level of control that makes for more personalized content creation.

No tool is perfect; each has its pros and cons – even giants like Google are no exception. On one hand, users rave about how easy it is to use this tool thanks to clear documentation provided by Google Developers Guide.

On another hand though there have been some concerns over limitations in voice customization beyond basics such as speed and pitch.

Overall though, most agree that Google’s TTS voice maker feels intuitive while providing good value for money.


While many might think high quality equals high cost, this isn’t necessarily true with Google Text-to-Speech.

The cost of Text-to-Speech is determined by the amount of text sent to the service for conversion into audio. WaveNet voices offer a free tier of 1 million characters per month, while Standard voices have a free tier of 4 million characters. Once this limit is exceeded, charges apply based on every additional 1 million characters processed.

2. Amazon Polly

Amazon, a leading tech giant known for its advanced artificial intelligence tools, offers an intelligent text-to-speech system named Amazon Polly. This software uses sophisticated deep learning techniques to convert text into lifelike speech. It is especially beneficial for developers who are keen on creating speech-enabled products and applications.

The key feature of Amazon Polly is its API that allows seamless integration of speech synthesis capabilities into various forms of media like ebooks and articles. To use this tool, you simply need to send your text through the API which will return an audio stream directly back to your application.

You can also customize pitch control, speed, and volume to create unique user experiences. Plus, you can store your audio streams in different file formats such as MP3, Vorbis, and PCM.

Where Polly truly shines is its multilanguage support — create natural-sounding voices in 54 available languages and variants!

Another advantage of Amazon Polly is its vast cloud infrastructure. It enables seamless integration with other AWS services for those already invested in their ecosystem.

Besides, it offers SSML tags which allow developers to control aspects like pronunciation or emphasis within the audio stream generated.

A downside of the Amazon Polly platform is the limited free tier as compared to Google Text-to-Speech which gives more generous allowances per month.


The pricing model of Amazon Polly revolves around usage where charges apply based on the number of characters converted from text into speech at approximately $4 per 1 million characters for standard voices and $16 per million characters for neural voices. However, they offer a free tier for new users during their first year.

3. IBM Watson Text to Speech

The strength of IBM Watson Text to Speech lies in its highly customizable voices and emotional range offering. However, these perks come with a steep learning curve that might deter beginners.

IBM Watson Text to Speech is highly adaptable, offering custom pronunciation features for unique words. It’s designed with a customizable pronunciation feature that lets you modify how specific words are pronounced.

This means if your content has some unique brand names or industry jargon, don’t sweat it. You’ve got the power to tweak their pronunciation right at your fingertips.

Although IBM Watson stands out for its realistic voice generation, there have been instances where users reported issues related to API rate limiting during peak usage times.


What does this tool cost? For starters, there’s a Lite plan which gives you up to 10,000 characters per month for free.

If your needs exceed this limit, prices start from $0.02 per thousand characters.

4. Microsoft Azure

Microsoft’s Azure Text-to-Speech solution is quite versatile, with features like real-time speech translation and neural text-to-speech capabilities. It gives your content that much-needed human touch.

And if customization is what you need, it doesn’t disappoint. You can adjust speaking styles and emotions in its voice outputs.

And the sound quality? Crisp as a fresh apple bite.

Although an excellent tool overall, some users have found its documentation slightly complex. There have also been reports of occasional glitches during intensive usage periods.


Azure offers various pricing tiers starting from $4 per million characters for standard voices. Neural voices are priced at $16 per million characters after the first 0-1M characters each month which are free.

5. is known for generating voiceovers that closely mimic human speech. And with a user-friendly interface, this platform has become a favorite in the entertainment, banking, education, and gaming sectors.

The continual enhancement of voice synthesis models by has also paved the way for innovations like Genny — an advanced AI voice generator equipped with video editing capabilities. This combination makes Genny a valuable tool for content creators who need to create highly realistic human-like voices as they edit videos simultaneously.

Genny has a large library featuring over 500 AI voices, available in more than 20 emotions and 150 languages. These extensive options ensure a professional-grade sound quality tailored to various needs and preferences.

Users can easily customize the output of this online voice generator, manipulating speed, pitch, emphasis, and pronunciation — making every audio piece unique.

Lovo also enables content localization with just one click, thanks to its wide range of language availability – another feature that positions ahead in the game.

Pricing offers a 14-day free trial period. Beyond that, you can choose from three plans ranging from $29 to $75 per month.

6. Murf

If you’re in the market for a top-tier AI voice generator, look no further than Murf. As one of today’s leading platforms in AI voice generation, it uses sophisticated deep-learning techniques to convert written text into remarkably natural-sounding speech.

Murf is an invaluable tool for anyone needing high-quality audio content. From product developers crafting engaging user experiences to podcasters seeking professional-grade voice-overs, this platform has you covered.

Some of Murf’s key features include:

  • Vast Voice Library: With over 110 voices across 15 languages, Murf offers unmatched versatility that caters to a wide range of applications.
  • Natural-Sounding Voices: Unlike many other AI generators that produce robotic or monotone voices, Murf excels at creating synthetic voices with the nuances and tones characteristic of human speech.
  • User-Friendly Interface: The ease of use allows users to generate authentic-sounding voices quickly with minimal input.

Whether you’re an educator looking for realistic dictation tools or a corporate professional who needs lifelike narration for your presentations, Murf offers a comprehensive solution that is hard to beat.


In terms of pricing options, there are different packages tailored towards various needs and budgets which makes Murf accessible for everyone from individuals to large corporations.

You can try all 120+ voices for free but you cannot download the audio file. The basic plan costs $19 per month while the enterprise package costs $75 per month.

7. Synthesys

Synthesys is a powerful AI voice generator that has been widely recognized for its ability to produce professional-grade AI voiceovers and videos with just a few clicks. This platform’s strength lies in the cutting-edge AI algorithms it uses for text-to-voiceover and video conversion, making it an ideal choice for commercial applications.

Imagine being able to enhance your website’s explainer videos or product tutorials by adding a natural-sounding human voice — this is exactly what Synthesys can do!

Utilizing Text-to-Speech (TTS) and Text-to-Video (TTV) technologies, Synthesys transforms written scripts into engaging media presentations. This not only makes content creation more efficient but also significantly improves user engagement.

A key advantage of Synthesys is its user-friendly interface which enables even beginners to generate top-notch voiceovers or videos within minutes. All you need to do is input your script, select from the available voices, and let the magic begin!

Synthesys is a game-changer in the realm of content creation. Its ability to generate professional-grade voiceovers and videos with ease makes it an invaluable tool for businesses looking to enhance their digital presence and engage their audience more effectively.


Synthesys offers a free plan with limited voice, video, and image generation. To unlock its full features, you can subscribe to the Creator plan for $41 or the Business plan for $69.

8. Speechify

Imagine having a tool that can convert any text into natural-sounding speech, whether it’s an email, PDF, Doc, or blog post. That is precisely what Speechify offers.

This AI-powered voice generator takes your written content and turns it into audible material you can listen to at your convenience. The advantage here is the flexibility and freedom this gives users who may prefer to consume information audibly rather than visually.

The platform boasts over 30 different voices from which users can choose their preferred sound. This variety ensures that everyone finds a voice they are comfortable listening to for extended periods.

Additionally, Speechify allows its users to adjust the reading speed according to their comfort level – making it even more user-friendly.

Beyond these features, one aspect where Speechify shines is its multilanguage support. The software can identify more than 15 languages while processing text.

Apart from converting digital texts into audio format, Speechify also excels in transforming scanned printed materials into clear audible files — an invaluable feature for those with physical documents needing conversion without typing them out first.

Speechify brings together an impressive array of features that make it stand out among other AI voice generators available today. Whether you need a tool for personal use or professional purposes like creating audiobooks or podcasts, this platform has got you covered.


Speechify offers a free plan for both its Text-to-Speech platform and AI Voice Studio. Premium packages range from $99 to $119 per month.

9. WellSaid Labs

If you’re looking for an innovative tool to create lifelike voiceovers, WellSaid Labs is a platform worth considering. This web-based solution uses generative AI voices to craft realistic-sounding audio content in record time.

The standout feature of this platform is the high quality of its AI voices which are so realistic that they can be mistaken for human recordings. With over 50 AI voices at your disposal — each with unique speaking styles, genders, and accents — crafting engaging training modules or other audio content becomes a breeze.

WellSaid offers users an extensive array of options when it comes to choosing the right voiceover style. The ability to audition multiple voices in real time ensures that you find the perfect fit for your project’s needs. You even have the option to blend different voices if needed – ideal for scenario-based instruction or storytelling.

A key selling point of WellSaid Labs is its Pronunciation Library — a tool designed specifically to give users complete control over their narration process. It enables you to teach the AI exactly how certain terms or phrases should be pronounced, ensuring accuracy and consistency across all your projects.


WellSaid Labs allows you to try all its voice avatars for a week — free of charge. Then you can decide if you want to subscribe to the Maker, Creative, Team, or Enterprise subscription plan ranging from $44 to $179 per month.


If you’re looking for a sophisticated AI text-to-speech generator, is an excellent choice to consider. This platform leverages state-of-the-art technology from industry leaders such as IBM, Microsoft, Amazon, and Google to generate audio and voices that are strikingly humanlike.

The convenience offered by is noteworthy — users can easily download AI-generated voice-overs in MP3 or WAV formats. Just choose a voice type and input your text either through direct typing or importing from another source.

The magic happens when your text prompt gets converted into a voice that closely mirrors human speech patterns. It’s almost like having a professional narrator right at your fingertips!

In addition to its core function of converting text into speech, also offers advanced features for refining the outputted audio further. Users have access to SSML tags (Speech Synthesis Markup Language), different speech styles, and custom pronunciations which provide control over how the final product sounds.

This level of quality has not gone unnoticed among top brands — companies like Verizon and Comcast use for their AI-generated voice technology needs — a clear testament to its effectiveness in delivering high-quality results.


You can try for free and get one instant voice clone. You can upgrade to the Creator plan for $39 or get unlimited voiceovers for just $99 per month.

How to Prompt AI Voice Generators

The art of writing effective prompts for text-to-speech (TTS) generators can significantly impact the quality of audio output. With the rise in popularity and usage of AI voice generators, understanding how to craft a good prompt has become increasingly important.

Know Your Voice Generator’s Capabilities

To write efficient prompts, it is crucial first to understand your chosen TTS generator’s capabilities. Different platforms may have varying degrees of sophistication, with some able to handle complex sentence structures and others best suited for simple commands or requests.

Researching your platform’s specific features will help you tailor your prompts accordingly.

Write Clear and Concise Prompts

When creating a prompt, clarity is key. It should be concise yet detailed enough that the AI understands what kind of response you are looking for. Avoid ambiguous language as much as possible since this could confuse the system leading to incorrect outputs.

If you’re working with advanced AI voice generators that incorporate natural language processing techniques such as Google’s Text-To-Speech API, a conversational tone in your prompts can yield better results because these systems are designed to mimic human speech patterns closely.

Tweaking Pronunciations

Sometimes, certain words might not sound right when read by an AI due to their default pronunciation settings. In such cases, tweaking the spelling of these words in your prompts can help achieve a more natural-sounding output.

Remember, practice makes perfect. The more you work with AI voice generators and experiment with different prompt styles, the better you’ll become at crafting effective prompts that yield high-quality audio outputs.

Clueless about writing prompts? Content at Scale’s AI prompt library can help! Browse through hundreds of pre-made prompts to get an idea of how to write effective prompts when generating text, speech, images, music, and videos with AI.

FAQs – What is the Best AI Voice Generator

What’s the most realistic AI voice? has unveiled Genny, an innovative AI voice generator that seamlessly integrates text-to-speech capabilities with video editing functionalities. With its ability to produce incredibly lifelike human voices, Genny proves invaluable for content creators who can now conveniently edit their videos while harnessing the power of realistic audio narration.

What is the best free AI voice generator?

The Microsoft Azure Text-to-Speech offers a generous free tier, providing quality text-to-speech conversion without breaking your budget.

What is the number one AI voice-over generator?

Synthesys is an AI video generator that includes a text-to-speech feature. It allows you to create videos with realistic narration using its built-in speech synthesis capabilities.

What is the best AI voice changer?

iSpeech provides a good balance between variety in vocal tones and user-friendliness, making it popular among users looking for an effective AI-based voice changer.


Diving into the realm of AI voice generators is nothing short of fascinating. They’re a game-changer, transforming how we create and consume audio content.

What is the best AI voice generator? No single solution is perfect for everyone. The ultimate decision depends on your individual needs and financial resources.

From Google Text-to-Speech to Amazon Polly, each platform offers unique strengths and features that cater to different requirements.

Need high-quality speech output? Check!

Multiple language options? Absolutely!

Working with a limited budget? Yes, they can be cost-effective too!

To find what is the best AI voice generator, remember to evaluate voice quality, language support, customization options, and pricing diligently.

The best AI voice generator can transform your business in ways you might not have imagined.

If you need help with prompting AI voice generators, check out the Content at Scale prompt library to see what a good prompt looks like.

Written by Julia McCoy

See more from Julia McCoy

Long Headline that highlights Value Proposition of Lead Magnet

Grab a front row seat to our video masterclasses, interviews, case studies, tutorials, and guides.

Experience the power of RankWell®