Altered Studio vs MOSS-TTS
Altered Studio
altered.aiMOSS-TTS
github.comSide by side
| Figure | Altered Studio | MOSS-TTS |
|---|---|---|
| Price from | $30/mo | — |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | Yes |
| Linux | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 6 | 0 |
| Spec score · Text-to-Speech Software | 9.5 (#1) | 7.8 (#133) |
| Spec score · Text-to-speech tools | 9.3 (#6) | 7.9 (#122) |
| API | An API is available to Enterprise customers for integrating Altered Studio into other systems. | MOSI's developer console shows a POST /v1/audio/speech endpoint and an example using the moss-tts-1.5-flash model. |
| API access | The FAQ says API access is offered to Enterprise customers for integrating Studio into other systems. | Yes |
| Integrations | The online Voice Editor can work with audio files in Google Drive, and RealTime Pro routes audio through a virtual microphone to apps including Discord, Zoom, Microsoft Teams, and Google Meet. | The repository lists MOSS-TTS API skills for OpenClaw, including a Feishu voice-message skill. |
| Intended users | The maker names podcasters, video game studios, and eLearning among the industries Studio serves. | The project describes deployment and research use, and lists narration, voice cloning, dialogue, podcasts, dubbing, voice agents, and media sound effects as target tasks. |
| Product | Altered Studio combines multiple Voice AI technologies in one platform for creating professional voice content. | MOSS-TTS is an open-source model family for long-form speech, dialogue synthesis, voice design, sound effects, and real-time streaming TTS. |
| Security and privacy | The privacy policy identifies GDPR and CCPA responsibilities and says the company policy is never to sell personal information. | MOSI's privacy policy says submitted content may be processed for generation, history, troubleshooting, safety review, and service improvement; it also describes possible use of de-identified or anonymized data for model optimization. |
| Voice cloning | Users can make a Rapid Voice Clone with 4–8 seconds of audio; custom voice models are available by contacting Altered. | MOSS-TTS v1.5 supports zero-shot voice cloning and audio continuation. |
| Voice controls | Morphing provides controls for prosody, pitch, age, gender, loudness and vocal creak. | MOSS-TTS-v1.5 supports zero-shot voice cloning, token-level duration control, Pinyin and IPA pronunciation control, multilingual synthesis, code-switching, and inline pause markers. |
Plans
Altered Studio
- FreeFree
- Creator$30 a month
- Professional$90 a month
- Creator$360 a year
- Professional$1,080 a year
- EnterprisePriced on request
In their own words
Altered Studio
Altered Studio combines voice transformation and audio production tools for creating professional voice content. Its Speech-to-Speech and Performance-to-Performance morphing changes a voice while retaining the speaker’s performance. Other tools include text-to-speech, voice cloning, AI voice cleaning, denoising, audio editing, DSP effects and batch processing. Studio supports transcription and translation in 75+ languages, and text-to-speech voice-over in 70+ languages. A Rapid Voice Clone can be made from 4–8 seconds of audio; custom voice models are available by contacting Altered. The online Voice Editor can work with Google Drive audio, while RealTime Pro routes audio through a virtual microphone to apps including Discord, Zoom, Microsoft Teams and Google Meet. The free plan includes 3 minutes per month of voice morphing and 10,000 AI tokens. Creator costs $30 a month billed annually; Professional costs $90 a month billed annually. Desktop use requires a Windows PC with an 8GB+ Nvidia GPU, and mobile devices are not currently supported.