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Fish Audio S1

Fish Audio S1

Expressive Voice Cloning and Text-to-Speech

Website fish.audio
Overview

What it is

Fish Audio is the most expressive and emotionally rich text-to-speech model. It generates lifelike voices that capture emotion, rhythm, and nuance with remarkable realism. Fish Audio Voice Clone recreates a natural voice from just 10 seconds of audio—preserving accent, tone, and speaking habits. Proudly built by the open-source team behind So-VITS-SVC and Bert-VITS2, giving a soul to every voice.

Intent

I need it when

Add natural-sounding voices to chatbots and customer support agents with minimal latency

Fish Audio S1 provides conversational chatbot voices with emotion tag injection for helpful, empathetic, or upbeat responses, and offers enterprise-grade APIs with ultra-low latency for real-time voice agent deployment

Create professional video voiceovers and YouTube narration without hiring voice actors

Fish Audio S1 converts scripts into studio-quality narration with emotion control and tone swapping, enabling creators to produce broadcast-ready voiceovers for videos, advertisements, and explainers at 90-95% lower cost than hiring professional voice actors

Access a large library of pre-made voices for diverse creative scenarios without building custom voices

Fish Audio S1 hosts over 2,000,000 community-uploaded voices across multiple languages and character types (narrator, companion, character voice), allowing creators to explore and select voices matching their project needs instantly

Clone a personal or brand voice to use across multiple content projects and languages

Fish Audio S1 creates accurate voice clones from as little as 10-15 seconds of audio, enabling creators to generate unlimited narration in the cloned voice across 30+ languages for consistent brand voice in games, animations, and interactive stories

Generate audiobook narration that meets publishing platform specifications (ACX/Audible) without a recording booth

Fish Audio S1 produces publish-ready audiobook narration with lifelike pacing, emotion control, and chapter-level management, allowing authors to generate hours of compliant audio without traditional recording infrastructure

Drop

Not a fit when

  • User requires explicit pricing transparency before signup—pricing page is not accessible and specific tier costs are not disclosed on the main site
  • User needs real-time voice synthesis with sub-100ms latency for live streaming or interactive applications requiring ultra-low latency beyond Fish Audio's stated capabilities
  • User operates in a jurisdiction with strict voice cloning regulations or requires explicit consent workflows—product does not detail compliance mechanisms
  • User needs support for languages beyond the stated 30+ languages or requires specialized linguistic features not covered by standard emotion tags
  • User requires guaranteed SLA uptime and enterprise support without contacting sales—no public SLA documentation is available
Commercials

Pricing

Freemium with paid plans; free tier includes monthly generations for personal use; paid plans unlock commercial rights and higher usage limits