Chatterbox TTS
8.3#15 in text-to-speech toolsFree planFree planAPILinuxmacOSSelf-hosted
VisitChatterbox TTS vs iSpeech
What both publish
| Fact | Chatterbox TTS | iSpeech |
|---|---|---|
| Commercial use | Yes | Yes |
| Export formats | WAV | aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4 |
| Free plan | Yes | Yes |
| Languages | The README lists 23 supported languages for Chatterbox Multilingual. | The homepage says the Speech API supports text-to-speech and speech recognition in more than 30 languages. |
| Platforms | linux,macos,self_hosted | web,ios,android,api |
| Product | Chatterbox is a family of open-source text-to-speech models by Resemble AI. | iSpeech provides text-to-speech and automated speech recognition services through APIs, SDKs, and online tools. |
Chatterbox TTS plans
- Chatterbox open-source modelsFree
- Voice AI Research (Chatterbox)Free
iSpeech plans
- Pay Per Use$50 a month
- Pay Per Install$0.25 a month
- HackerFree
- BasicFree
- Plus$2.95 a month
- Premium$3.95 a month
Pick Chatterbox TTS if…
Chatterbox may suit developers and researchers seeking open-source text-to-speech models. Turbo is described for low-latency voice agents, while Nano targets on-device or CPU inference under tight resource budgets.
Pick iSpeech if…
iSpeech may suit people who need text-to-speech or transcription, as well as developers seeking API or SDK access. Its described education uses include mobile learning apps, spoken course materials, and pronunciation practice.