MOSS-TTS vs Voice.ai
MOSS-TTS
github.com
Voice.ai
voice.aiSide by side
| Figure | MOSS-TTS | Voice.ai |
|---|---|---|
| Price from | — | $5/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 0 | 8 |
| Spec score · Text-to-speech tools | 7.9 (#122) | 9.2 (#10) |
| Spec score · Text-to-Speech Software | 7.8 (#133) | 8.7 (#31) |
| API | MOSI's developer console shows a POST /v1/audio/speech endpoint and an example using the moss-tts-1.5-flash model. | Voice.ai lists an API offering for voice agents, voice cloning, and text-to-speech. |
| Company | MOSI says Shanghai Mosi Intelligent Technology Co., Ltd. is headquartered in Shanghai and was incubated by the Shanghai Innovation Institute and Fudan University's OpenMOSS team. | The About page identifies Heath Ahrens as founder and CEO and says he established iSpeech.org in 2007; it does not state Voice AI’s founding year or headquarters. |
| Languages | MOSS-TTS v1.5 supports 31 languages and multilingual or code-switched synthesis. | The PC page says voices repeat speech back in the speaker’s language. |
| Product | MOSS-TTS is an open-source model family for long-form speech, dialogue synthesis, voice design, sound effects, and real-time streaming TTS. | Voice.ai offers real-time AI voice transformation for PC, plus text-to-speech and online audio tools. |
| Support | The maker lists [email protected] as a contact address for inquiries and feedback. | The pricing page lists priority support for Core and above, and technical success manager support for Business. |
| Voice cloning | MOSS-TTS v1.5 supports zero-shot voice cloning and audio continuation. | Users can create voice models for real-time conversion or text-to-speech, with paid plans adding instant-clone capacity. |
Plans
Voice.ai
- FreeFree
- Starter$5 a month
- Launch$12 a month
- Core$99 a month
- Scale$330 a month
- Business$880 a month
- FreeFree
- EnterprisePriced on request
In their own words
Voice.ai
Voice.ai provides real-time AI voice transformation for PC, alongside text-to-speech and online audio tools. Its PC app describes its voice engine as deep-learning based and lets users hear a changed voice in real time. A library of user-generated voices and voice cloning are also listed. Voice.ai says transformed speech is returned in the speaker’s language. On Windows, it can work with microphone-enabled apps such as Discord, Zoom, Google Meet, WhatsApp, Skype and Twitch, plus games including Minecraft and Fortnite. The platform listing includes Windows, Mac, iOS and Android, while its API offering covers voice agents, cloning and text-to-speech. The free plan includes 5k credits/month and a five-minute audio conversion limit. Starter costs $5 a month and includes 15k credits/month and five instant voice clones. Higher plans add credits, clones, concurrent generation and agent-call capacity, with priority support on Core and technical success manager support on Business.