Altered Studio vs KittenTTS
Altered Studio
altered.aiKittenTTS
github.comSide by side
| Figure | Altered Studio | KittenTTS |
|---|---|---|
| Price from | $30/mo | $14.99/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 6 | 3 |
| Spec score · Text-to-Speech Software | 9.5 (#1) | 8.8 (#24) |
| Spec score · Text-to-speech tools | 9.3 (#6) | 8.4 (#70) |
| 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 maker lists on-device SDKs for Python, Swift, React Native, Flutter, and Web, and says Kitten-TTS 2 SDKs are coming soon. |
| Intended users | The maker names podcasters, video game studios, and eLearning among the industries Studio serves. | The maker describes use cases including voice agents, customer-support call automation, content creation, and dedicated endpoints. |
| Self-hosting | Enterprise deployments can use on-premise compute, and local servers can keep processing traffic inside an intranet. | The maker says users can download the weights and self-host, including in a VPC, on-premises, or on-device for enterprise deployments. |
| Voice cloning | Users can make a Rapid Voice Clone with 4–8 seconds of audio; custom voice models are available by contacting Altered. | KittenTTS 2 supports zero-shot voice cloning from a short audio sample without fine-tuning. |
| What it does | Altered Studio combines speech-to-speech voice morphing, text-to-speech, cloning, transcription, translation, dubbing and audio editing in one platform. | KittenTTS is an open-source text-to-speech library with a CPU-capable 1.7B-parameter KittenTTS 2 model and lightweight legacy models. |
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.