Text-to-Speech providers

These are the voices you can use on AudioStack

AudioStack offers one of the largest and most diverse collections of synthetic voice providers on the market today. This gives you the perfect starting point to build great audio.


Through AudioStack, you can use the world's best TTS voices within a single infrastructure.

AudioStack will take care of API maintenance and keeping voices up to date for you.

Here is a list of the voice providers you can currently render your text with:

amazon polly aflorithmic audiostack

Amazon Polly

Polly is Amazon's TTS brand and comes with a large number of voices in many languages

Listen to Polly voices here

cereproc aflorithmic audiostack


CereProc is a Scottish boutique voice provider, based in Edinburgh, the home of advanced speech synthesis research. It offers a wide range of voices across several languages

Listen to Cerevoices here

deepzen aflorithmic audiostack


Boutique voice provider DeepZen turns your text into audio content that's rich with the emotion, intonation and rhythm of the natural voice. It offers voices in English and French.

Listen to DeepZen voices here

Google Wavenet aflorithmic audiostack

Google Wavenet

Google offers a huge range of text-to-speech voices across multiple languages. Within AudioStack you will find a selection of the best-sounding Wavenet voices.

Listen to Wavenet voices here

IBM watson aflorithmic audiostack

IBM Watson

IBM Watson Text to Speech is an API cloud service that enables you to convert written text into natural-sounding audio in a variety of languages and voices.

Listen to Watson voices here

messner aflorithmic audiostack


Messner is Aflorithmic's internal voice cloning team. We offer custom voices, some of which are public and available on AudioStack for English.

Listen to Messner voices here

Azure aflorithmic audiostack

Microsoft Azure

Azure offers a huge selection of voices in a multitude of languages. A number of them also support speaking styles such as cheerful, narration or sad.

Listen to Azure voices here

Open Source

Did you know that a certain famous Astronomer's voice model is openly available for anyone to use?

Listen to Retro voice here

Resemble.ai aflorithmic audiostack


Resemble is a Canadian boutique voice provider that builds voices for English.

Listen to Resemble voices here

wellsaid aflorithmic audiostack

WellSaid Labs

WellSaid offers a great selection of English voices with international accents across several speaking styles.

Listen to WellSaid voices here


Did you know?

You can use our voice intelligence layer with a number of voices to improve the pronunciation of specific words and unify abbreviation recognition and date or time formats.

Discover Voice Intelligence