Amazon Polly vs eSpeak NG
| Amazon Polly | eSpeak NG | |
|---|---|---|
| Free plan | Yes | |
| Paid from | $4/mo | |
| Platforms | api, Web | Android, api, Linux, macOS, Windows |
| Languages | 42 languages | |
| Voice cloning | Yes | |
| API access | Yes | Yes |
| Language count | 42 languages | |
| Audio export formats | mp3, ogg_vorbis, ogg_opus, pcm, mu-law, a-law | |
| Maximum input | 6,000 characters | |
| Export formats | mp3, ogg_vorbis, ogg_opus, pcm, mu-law, a-law | WAV |
| Platforms | web, api | windows, macos, linux, android, api, self_hosted |
| Free plan | Yes | |
| Commercial use | Yes |
Listed together in Best Text-To-Speech Tools