Fish Audio is an AI-powered voice synthesis and voice cloning platform, built on the S2 Pro model trained on over 10 million hours of audio covering 80 languages. With just 10 seconds of source audio, the platform generates a reusable voice clone indefinitely. Access to a library of over 200,000 community voices, support for 50 emotion and tone tags, and a robust API make Fish Audio the go-to choice for content creators, developers, and voice professionals. The free plan offers 8,000 monthly credits for personal use.
What is Fish Audio?
The essentials
Fish Audio is a text-to-speech and voice cloning platform based on the Fish-Speech model, available open-source on GitHub. The commercial version, built around the S2 Pro model, allows you to generate ultra-realistic voices in 80+ languages, clone voices from short audio samples, and access a community library of over 200,000 voices.
Key features
The core feature is voice cloning: with just a few seconds of source audio, Fish Audio generates a unique voice ID reusable in all future generations. The S2 Pro model supports 50 emotion and tone tags, allowing fine-tuning of prosody and expressiveness. The developer API allows you to integrate TTS into applications, games, or automated workflows. The community library provides immediate access to thousands of pre-built voices in many languages.
Use cases
Fish Audio is used by YouTube creators to generate voiceovers in multiple languages without recording. Audiobook publishers use it to produce multilingual versions at lower cost. Video game developers integrate it via API to generate dynamic NPC dialogue. Dubbing studios automate content localization by leveraging voice clones.
Advantages
Fish Audio’s main advantage is its unique combination of open-source accessibility and commercial quality. Developers benefit from a stable, documented API. Creators benefit from a massive community library. Pricing remains competitive compared to alternatives, especially thanks to the open-source model that drives trust and innovation.
Pricing
The free plan includes 8,000 monthly credits for non-commercial personal use. The Plus plan at $11/month unlocks commercial rights. The Pro plan at $75/month (or $900/year) is intended for power users and enterprises requiring high volumes of audio generation via API.
Conclusion
Fish Audio is a reference for any professional seeking a powerful, affordable, and extensible TTS and voice cloning solution. Its open-source model guarantees rare sustainability in the industry. Ideal for developers and technical teams wishing to integrate realistic voices in their products.

