Overview of Text to Speech Engines in cloud providers with demo website to test the needs before start the project development.
| Provider | Service | SSML support | demo |
|---|---|---|---|
| Acapela Group | - | ? | available |
| AWS | Amazon Polly | yes | available |
| Google Cloud | Cloud Text-to-Speech | yes | available |
| IBM | Watson Text to Speech | yes | available |
| Microsoft Azure | Azure Text to Speech | yes | available |
| Nuance | Nuance's Text-to-Speech | yes | available |
| ReadSpeaker | - | yes | available |
| Yandex | SpeechKit | yes | available |