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Fish Audio

Free tier

The most expressive, emotionally controllable real-time AI voice platform

Free tier available·All audiences·Powered by Fish Audio (proprietary models: Fish Audio S2.1 Pro, Fish Speech, OpenAudio)·API available·Open source
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Key strengths

Ultra-low latency TTSVoice cloning from as little as 10-15 seconds of audio2,000,000+ community voices30+ language supportEmotionally controllable voice generation with emotion tagsPay-as-you-go API with SDKsOpen-source model (Fish Speech)
Free tier + paid plans
Founded 2023
Self-hostable

Facts verified against fish.audio on

Recent changes

  • Models updated: Fish Audio (proprietary models: Fish Audio S2.1 Pro, Fish Speech, OpenAudio)
  • Plans updated: Free plan available for personal use only (not commercial). Paid plans required for commercial use and full rights. API available with pay-as-you-go pricing.
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Fish Audio is well-suited for technical teams and developers in the following scenarios:

  • Real-time voice applications: Ultra-low latency TTS makes it viable for conversational AI, live assistants, and interactive media where response time is critical
  • Voice cloning pipelines: Automate custom voice creation via API using short reference clips — ideal for personalization features in apps or platforms
  • Game & animation audio: Programmatic emotion tag control enables dynamic, context-sensitive dialogue generation at scale
  • Multilingual products: 30+ language support allows a single API integration to serve global user bases
  • Self-hosted / open-source deployments: Fish Speech (32,943+ GitHub stars) can be run on-premises for teams with data privacy or latency constraints
  • MCP & agent workflows: Native MCP integration enables Fish Audio to be embedded in AI agent pipelines
  • Audiobook & long-form content production: High-quality, emotionally expressive synthesis at pay-as-you-go pricing scales efficiently for publishers
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