Cepstral vs Fish Audio
Cepstral
cepstral.com
Fish Audio
fish.audioSide by side
| Figure | Cepstral | Fish Audio |
|---|---|---|
| Price from | — | $11/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 1 | 5 |
| Spec score · Text-to-Speech Software | 8.4 (#61) | 9.0 (#11) |
| Spec score · Text-to-speech tools | 8.0 (#102) | 9.1 (#13) |
| API access | Yes | Yes |
| Commercial use | Yes | The pricing page says free plan users may use generated content only for personal, non-commercial projects, while premium subscribers may commercially use verified voices they own. |
| Company | Cepstral says it develops natural-sounding synthetic voices for handheld, desktop, and server applications. | The site identifies Hanabi AI Inc. as the company behind Fish Audio. |
| Free plan | No | Yes |
| Headquarters | Pittsburgh, Pennsylvania, USA | Dover, Delaware, United States |
| Integrations | Cepstral says its Windows voices are SAPI 5 compliant and can be used by applications that use SAPI 5 voices. | The enterprise page lists integrations or ecosystem connections for Vapi, Twilio, Retell, and workflow automation tools. |
| Languages | Cepstral lists US English, Canadian French, Americas Spanish, UK English, German, and Italian voices. | Fish Audio states that TTS automatically supports eight languages with native accents. |
| Product | Cepstral makes text-to-speech software that turns text into clear, natural-sounding speech. | Fish Audio provides text-to-speech, voice cloning, speech-to-text, voice agents, and other audio tools. |
| Support | Cepstral provides product support information, tutorials, community forums, and a way to open a support ticket. | Enterprise support includes 24/7 production support, a technical account manager, and a stated 99% uptime SLA. |
Plans
Fish Audio
- Free TierFree
- Plus$11 a month
- Pro$75 a month
- Max$749 a month
- EnterprisePriced on request
In their own words
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.