Fish Audio
Summary
An AI voice platform for expressive text-to-speech, voice cloning, speech-to-text, voice design, and real-time voice applications.
<p>Fish Audio is a web platform and developer API for generating and working with AI speech. Its current S2.1-Pro text-to-speech model supports natural-language emotion cues, multi-speaker dialogue, and 83 languages, while the platform also provides voice cloning, voice design, speech-to-text, Story Studio, a large public voice library, and real-time streaming for voice applications. Creators can produce voiceovers, audiobooks, and character dialogue in the web app, while developers can integrate text-to-speech and related voice features through REST APIs and SDKs.</p>
Categories: Models, APIs and Infrastructure, Video Generation and Editing, Audio and Voice.
Pricing
Free $0/month, Plus $11/month, Pro $75/month, Max $749/month, Enterprise custom pricing - Free- $749/month
Features
- Expressive text-to-speech with inline natural-language emotion and delivery cues
- Voice cloning from a short reference recording
- Multi-speaker dialogue generation with the S2.1-Pro model
- Automatic language detection and support for 83 languages in S2.1-Pro
- Speech-to-text, voice design, Story Studio, and a browsable voice library
- REST API, SDKs, and real-time WebSocket streaming for developers
- Free development model plus paid production and enterprise options
Use Cases
- Create narration and voiceovers for videos, podcasts, and courses
- Produce multi-speaker audiobook and story dialogue
- Build natural-sounding voices into chatbots, agents, games, and avatars
- Clone an approved voice for consistent multilingual content
- Transcribe recorded audio and process speech in applications
- Prototype text-to-speech integrations with the free API model
Pros
- Supports expressive, position-specific emotion cues and multi-speaker dialogue
- Combines creator-facing web tools with APIs and SDKs
- Offers broad multilingual coverage and automatic language detection
- Provides a free web tier and a free API model for development and testing
- Covers text-to-speech, cloning, transcription, voice design, and streaming in one platform
Cons
- Paid creator plans are billed around monthly credit limits and unused quotas do not roll over
- Production API usage is metered separately from creator subscriptions
- Commercial rights and plan language should be checked carefully before publishing monetised output
- Voice cloning introduces consent, impersonation, and rights-management responsibilities
- Production latency and data-processing guarantees are not included with the free API model
Last verified: 2026-07-14.
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Frequently Asked Questions
What is Fish Audio used for?
Fish Audio is used to turn text into expressive speech, clone authorised voices, create character or narrator voices, transcribe audio, design new voices, and add real-time voice generation to applications.
Does Fish Audio have a free plan?
Yes. The web plan page lists a free tier with 8,000 monthly credits and up to 7 minutes of generation. The developer docs also list S2.1-Pro-Free at no API charge under fair-use limits for testing and prototyping.
How much does the Fish Audio API cost?
The official developer pricing lists S2.1-Pro, S2-Pro, and S1 text-to-speech at $15 per million UTF-8 bytes, transcription at $0.36 per audio hour, and Voice Design at $0.01 per successful request. Enterprise volume pricing is available separately.
How many languages does Fish Audio support?
The current developer documentation says S2.1-Pro supports 83 languages with automatic language detection and inline emotion or paralinguistic cues.
Can Fish Audio clone a voice?
Yes. Fish Audio offers voice cloning from a short reference recording through its web platform and API. Users should only clone voices they own or have clear permission to use.
Can Fish Audio create multi-speaker dialogue?
Yes. The S2.1-Pro and S2-Pro models support multi-speaker dialogue, and the API accepts speaker identifiers so one generation can include multiple voices.
Internal Links
Official website: https://fish.audio/
Canonical FindMyAI page: https://findmyai.xyz/tools/fish-audio