Inworld TTS vs OpenAI Text-to-Speech
Inworld TTS
inworld.aiOpenAI Text-to-Speech
developers.openai.comSide by side
| Figure | Inworld TTS | OpenAI Text-to-Speech |
|---|---|---|
| Price from | $25/mo | $0.60/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| API | Yes | Yes |
| Plans published | 6 | 3 |
| Spec score · Text-to-speech tools | 9.1 (#12) | 8.3 (#74) |
| Spec score · Text-to-Speech Software | 8.9 (#18) | 7.9 (#123) |
| Spec score · AI voice generators | 8.8 (#6) | 7.7 (#23) |
| API access | Yes | Yes |
| Commercial use | Yes | Yes |
| Export formats | MP3,WAV,Opus | mp3,opus,aac,flac,wav,pcm |
| Languages | 200 | 57 |
| Maximum input | 40000 | 4096 |
| Platforms | web,api | api |
| Voice cloning | Yes | Yes |
Plans
Inworld TTS
- On-DemandFree
- Creator$25 a month
- Builder$100 a month
- Developer$300 a month
- Growth$1,500 a month
- EnterprisePriced on request
OpenAI Text-to-Speech
- TTS-1$15 a month
- TTS-1 HD$30 a month
- GPT-4o Mini TTS API usage$0.60 a month
In their own words
Inworld TTS
Inworld TTS has no write-up on Specifiction yet; its figures are above.
OpenAI Text-to-Speech
OpenAI Text-to-Speech has no write-up on Specifiction yet; its figures are above.