Altered Studio vs Fish Audio
Altered Studio
altered.aiFish Audio
fish.audioSide by side
| Figure | Altered Studio | Fish Audio |
|---|---|---|
| Price from | $30/mo | $11/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 6 | 5 |
| Spec score · Text-to-Speech Software | 9.5 (#1) | 9.0 (#11) |
| Spec score · AI voice cloning tools | 9.5 (#1) | 8.9 (#6) |
| Spec score · Text-to-speech tools | 9.3 (#6) | 9.1 (#13) |
| API | An API is available to Enterprise customers for integrating Altered Studio into other systems. | The API offers speech generation, voice cloning, and transcription through REST, WebSocket streaming, and official Python and TypeScript SDKs. |
| API access | The FAQ says API access is offered to Enterprise customers for integrating Studio into other systems. | Yes |
| Free plan | Yes | Yes |
| Headquarters | The privacy policy gives Altered Ltd's address as Ground Floor, 298 West End Lane, London NW6 1LN, UK. | Dover, Delaware, United States |
| 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 enterprise page lists integrations or ecosystem connections for Vapi, Twilio, Retell, and workflow automation tools. |
| Product | Altered Studio combines multiple Voice AI technologies in one platform for creating professional voice content. | Fish Audio provides text-to-speech, voice cloning, speech-to-text, voice agents, and other audio tools. |
| Security | The privacy policy says Google Drive access is optional and that Google user data is used only to provide or improve user-facing application features. | Fish Audio says its SOC 2 Type II audit is underway and that enterprise contracts can enable Zero Data Retention; it also describes HIPAA-aligned configurations and BAAs for qualifying healthcare workloads. |
| Paid from | 30 | 15 |
| Voice cloning | Users can make a Rapid Voice Clone with 4–8 seconds of audio; custom voice models are available by contacting Altered. | Yes |
| Voice controls | Morphing provides controls for prosody, pitch, age, gender, loudness and vocal creak. | Its TTS page describes emotion and expression controls, real-time generation, multilingual support, and controls for speed, volume, and model parameters. |
| Voice library | The service lists up to 20 professional voices and more than 800 common voices. | The website says its platform hosts more than 2,000,000 voices. |
Plans
Altered Studio
- FreeFree
- Creator$30 a month
- Professional$90 a month
- Creator$360 a year
- Professional$1,080 a year
- EnterprisePriced on request
Fish Audio
- Free TierFree
- Plus$11 a month
- Pro$75 a month
- Max$749 a month
- 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.
Fish Audio
Fish Audio provides text-to-speech, voice cloning, speech-to-text, voice agents, and other audio tools. Its text-to-speech controls cover emotion and expression, real-time generation, multilingual output, speed, volume, and model parameters. Fish Audio says TTS supports eight languages with native accents and its platform hosts more than 2,000,000 voices. Developers can use the API for speech generation, voice cloning, and transcription through REST, WebSocket streaming, and official Python and TypeScript SDKs. The listed platforms include web, Linux, macOS, Windows, API access, and self-hosting. Use cases named by the company include video voiceovers, audiobook narration, character voices, and conversational chatbots. The Free Tier costs nothing and allows 8,000 monthly credits, up to 7 minutes of generation, and personal, non-commercial use. Plus costs $11 a month, billed $132 billed annually; paid plans are listed from $15/mo. Commercial use is listed as available. Enterprise deployments include VPC, on-premises, air-gapped, and sovereign cloud options. Fish Audio says default data stays in the United States and self-hosted deployments run inside customer infrastructure. Unused monthly minutes do not roll over.