Fish Audio
Free tierThe 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
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's API follows a pay-as-you-go model, meaning you pay only for what you use with no mandatory subscription for API access. Key integration points:
- SDKs are available to accelerate integration into existing pipelines
- Emotion tags allow developers to inject emotional cues directly into synthesis requests, enabling dynamic, context-aware voice output
- Voice cloning endpoint accepts reference audio as short as 10–15 seconds to generate a custom voice model
- Model selection: choose between Fish Audio S2.1 Pro, Fish Speech, or OpenAudio depending on latency, quality, and licensing requirements
- Open-source (Fish Speech): the Fish Speech model is publicly available on GitHub (32,943+ stars), enabling self-hosted deployments or fine-tuning
- Third-party integrations: native support for GPT Image, Seedance, Kling, Veo, Creatify, and MCP workflows
Pricing note: The free tier is for personal use only. Commercial API usage requires a paid plan.
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