Best OpenTTS Alternatives in 2026
Updated
20 platforms from text-to-speech software ranked against OpenTTS on the same published basis.
- 1OpenTTS vs Adobe Firefly
- 2OpenTTS vs Google Cloud Text-to-Speech
- 3OpenTTS vs Typecast
- 4OpenTTS vs Cartesia Sonic
- 5OpenTTS vs Fish Audio
- 6OpenTTS vs FreeTTS
- 7OpenTTS vs Hume Octave
- 8OpenTTS vs LOVO AI
- 9OpenTTS vs Qwen3-TTS
- 10OpenTTS vs Spex-TTS
- 11OpenTTS vs Sprag
- 12OpenTTS vs Voice.ai
- 13OpenTTS vs Voicemaker
- 14OpenTTS vs VoiceStudio
- 15OpenTTS vs Altered Studio
- 16OpenTTS vs Amazon Polly
- 17OpenTTS vs Async
- 18OpenTTS vs Audexum Text to Speech
- 19OpenTTS vs BreezeBlue Voice TTS
- 20OpenTTS vs CosyVoice
OpenTTS alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Adobe Firefly | 7.4 | Free plan | Free | Android, API, iOS, Web |
| 2 | Google Cloud Text-to-Speech | 7.4 | Free plan | $16/mo | API, Web |
| 3 | Typecast | 7.4 | Free plan | $5/mo | Android, API, iOS, Web |
| 4 | Cartesia Sonic | 7.3 | Free plan | $5/mo | API, Web |
| 5 | Fish Audio | 7.3 | Free plan | $11/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 6 | FreeTTS | 7.3 | Free plan | $19/mo | API, Web |
| 7 | Hume Octave | 7.3 | Free plan | $3/mo | API, Web |
| 8 | LOVO AI | 7.3 | Free plan | Free | API, Web |
| 9 | Qwen3-TTS | 7.3 | Free plan | Free | API, Linux, self-hosted, Web |
| 10 | Spex-TTS | 7.3 | Free plan | $10/mo | API, Web |
| 11 | Sprag | 7.3 | No | $0.70/mo | API, self-hosted, Web |
| 12 | Voice.ai | 7.3 | Free plan | $5/mo | Android, API, iOS, Mac, Web, Windows |
| 13 | Voicemaker | 7.3 | Free plan | $2.08/mo | API, Web |
| 14 | VoiceStudio | 7.3 | Free plan | $8.25/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 15 | Altered Studio | 7.2 | Free plan | $30/mo | API, Mac, Web, Windows |
| 16 | Amazon Polly | 7.2 | Free plan | $4/mo | API, Web |
| 17 | Async | 7.2 | Free plan | Free | API, iOS, Web |
| 18 | Audexum Text to Speech | 7.2 | Free plan | €29/mo | Android, API, Web, Windows |
| 19 | BreezeBlue Voice TTS | 7.2 | Free plan | $9/mo | API, Web |
| 20 | CosyVoice | 7.2 | Free plan | Free | API, Linux, self-hosted |
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Questions about OpenTTS alternatives
What is the best alternative to OpenTTS?
Adobe Firefly, number 1 in text-to-speech software with a score of 7.4 out of 10. The others here: Google Cloud Text-to-Speech, Typecast, Cartesia Sonic and 16 more.
What is the best free alternative to OpenTTS?
Adobe Firefly is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.