What Fish Audio does
Fish Audio builds open-source voice models, including Fish Speech and OpenAudio S1. Its features include multilingual text-to-speech, voice cloning, and conversational synthesis. The listing says the models are available as open weights as well as through a hosted API. Developers use them to add speech output to applications. The product is available at fish.audio.
How Fish Audio compares with its closest alternatives
4 of the 5 closest alternatives have a free plan, as Fish Audio does. Among the 2 that list a starting price, the cheapest is Gradium at $13 a month and the median is $17.50. All 5 offer an API, as Fish Audio does. Fish Audio was founded in 2023; the alternatives were founded between 2019 and 2025, 2 of them earlier. Fish Audio is based in San Francisco, United States; 2 of its 5 alternatives are in the United States too, and the others in the United Kingdom, Canada and France.