Altered Studio vs Sprag
Altered Studio
altered.aiSprag
sprag.aiSide by side
| Figure | Altered Studio | Sprag |
|---|---|---|
| Price from | $30/mo | $0.70/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 6 | 9 |
| Spec score · Text-to-Speech Software | 9.5 (#1) | 8.4 (#75) |
| Spec score · AI voice cloning tools | 9.5 (#1) | 8.3 (#21) |
| Spec score · Text-to-speech tools | 9.3 (#6) | 8.6 (#52) |
| API access | The FAQ says API access is offered to Enterprise customers for integrating Studio into other systems. | Yes |
| Free plan | Yes | No |
| 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. | Sprag documents integration with Pipecat using its OpenAI services and lists LiveKit in its integrations navigation. |
| Product | Altered Studio combines multiple Voice AI technologies in one platform for creating professional voice content. | Sprag offers native speech-to-speech agents and an STT-to-LLM-to-TTS voice pipeline through one API. |
| Self-hosting | Enterprise deployments can use on-premise compute, and local servers can keep processing traffic inside an intranet. | The homepage links to a self-hosted deployment option. |
| Voice cloning | Users can make a Rapid Voice Clone with 4–8 seconds of audio; custom voice models are available by contacting Altered. | Yes |
Plans
Altered Studio
- FreeFree
- Creator$30 a month
- Professional$90 a month
- Creator$360 a year
- Professional$1,080 a year
- EnterprisePriced on request
Sprag
- Chorus$0.70 a month
- Chorus Design$15 a month
- Chorus Clone$4.50 a month
- Symphony NotesFree
- Rhythm$0.08, paid once
- Symphony$0.09, paid once
- Chorus — built-in voice$0.70, paid once
- Chorus — cloned voice$4.50, paid once
- Chorus — designed voice$15, paid once
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.