Fish Audio is an AI voice platform that helps individuals, creators, and businesses produce natural-sounding speech and audio content. Its S2.1 Pro model is designed for expressive, emotionally controlled speech, with tools for text-to-speech, voice cloning, and speech-to-text. Users can select from a library of more than two million voices, apply emotion and delivery tags, and create multilingual audio. The platform supports languages including English, Japanese, Korean, Chinese, French, German, Arabic, and Spanish, with broader multilingual capabilities advertised for more than 30 languages.

Fish Audio serves a range of production needs, including video voiceovers, audiobook narration, character voices, and conversational chatbot audio. Its offerings also include APIs for text-to-speech, transcription, voice agents, and voice cloning, with options for real-time streaming and low-latency applications. The company provides a free starting tier and paid plans, with commercial use available through paid subscriptions. Designed for both accessible online creation and developer workflows, Fish Audio enables users to generate, customize, and integrate AI voices into content and products.