Fish Audio

Fish Audio is an AI voice-cloning and synthesis platform that clones a voice from just 15 seconds of audio. With emotion control and multilingual synthesis, a voice recorded in English can be converted into more than 30 languages. It suits developers and creators who need to produce multilingual dubbing or content voices at scale.

Its strengths are quality and cost together. The flagship S1 model beats ElevenLabs in blind tests while costing far less per API call, which is why value for money leads its profile at 92. Because it ships an API, you can wire speech synthesis directly into your own service or pipeline, and Korean input and output are supported too. It is a convincing pick for teams chasing both quality and price.

The open-source angle needs a careful read. The only released model is the lightweight 0.5B S1-mini, and its weights carry a non-commercial license, so even self-hosting comes with limits on commercial use. The strongest flagship S1 is unreleased and cloud-only. Commercial use overall is conditional, so check the license before adopting it.

In short, it is powerful for developers mass-producing high-quality multilingual voices on a budget. Anyone who needs to fully self-host the top-tier model, or who requires an unrestricted commercial license, should look at other tools instead.