Fish Audio S2.1 Pro: Text-to-Speech and Voice Cloning Platform with Emotion Controls

LinkHanabi AI Inc.Tool

Fish Audio (Hanabi AI Inc.) provides an AI platform for speech synthesis, voice cloning, and speech-to-text, powered by its S2.1 Pro model focusing on emotional nuances and conversational audio.

Key points

  1. Fish Audio S2.1 Pro supports explicit emotional tags such as [angry], [sad], or [whispering], along with non-verbal sounds like laughing, sighing, and pauses.
  2. Voice cloning can be generated from an audio sample as short as 10 to 15 seconds.
  3. Multilingual capabilities cover 30+ languages, including English, German, French, Spanish, Arabic, Japanese, Korean, and Chinese.
  4. The platform hosts a voice library with over 2,000,000 community and platform voices.
  5. Low-latency REST and streaming APIs are available for developer integration; commercial monetization requires an upgraded paid tier.

Why it matters

Natural pacing and emotional nuance are critical challenges for voice agents and automated audio production. Offering inline emotional and acoustic tags within API requests allows developers to build more lifelike conversational experiences without complex post-processing.

Analysis

Fish Audio builds on its open research origins (including Fish Speech and OpenAudio) to compete directly with proprietary platforms like ElevenLabs. Its focus on long-form audio stability, rapid 15-second cloning, and granular audio-control tags addresses common friction points in conversational AI and digital media production.

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Summary generated by AI (Gemini 3.8 Flash, 30 September 2026). It may contain errors – the original source is authoritative.

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