Audio Freemium

Fish

Expressive multilingual speech generation, transcription, cloning, and developer APIs

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PricingFreemium
Starting price$15/mo
Free planYes
Free trialYes
APIYes
Open sourceYes
DeploymentHybrid
Last verifiedAugust 1, 2026
Overview

Tool overview

Fish is listed under Audio AI tools.

Summary

What is Fish?

Fish Audio offers expressive text-to-speech, voice cloning, voice design, speech-to-text, real-time streaming, creator tools, and developer APIs. Its S2-Pro model supports more than 80 TTS languages, while transcription supports more than 100 languages and dialects.

Best fit

Best for

Creators and developers building expressive multilingual audio products

Audience

Who is it for?

Voice application developersContent creatorsGame and media teamsConversational AI builders
Recommendation

Decision note

Strong for creators and developers needing expressive multilingual voice, transparent API pricing, and both hosted and self-hosted model options.

Capabilities

Key features

Expressive multilingual S2-Pro text-to-speech

Voice cloning and prompt-based voice design

Speech-to-text with speaker and emotion tags

REST, WebSocket, Python, and JavaScript APIs

Workflows

Use cases

Create narration and character voices

Add speech to conversational agents

Transcribe podcasts and meetings

Build multilingual audio applications

Strengths

Pros

  • Includes an ongoing free creator tier
  • API uses transparent pay-as-you-go pricing
  • Publishes source and weights for Fish Speech
Considerations

Limitations

Voice cloning and generated speech require clear authorization, disclosure, and misuse controls. Language quality varies by model and voice, and commercial self-hosting of Fish Speech requires a separate written license.

Cost

Pricing details

Pricing modelFreemium
Starting price$15/mo
Free planYes
Free trialYes
Pricing context

Billing options

Free creator tierMonthly or annual subscriptionPay-as-you-go APIVolume-priced Enterprise
Pricing context

Pricing note

The creator Free tier costs $0. Plus is $15 monthly or $11 per month when billed annually. The developer API has no subscription minimum and charges $15 per million UTF-8 bytes for TTS and $0.36 per audio hour for transcription.

View official pricing
Compatibility

Supported languages

  • 80+ TTS languages
  • 100+ transcription languages and dialects
Connectivity

Integrations

REST API

WebSocket API

Python SDK

JavaScript SDK

OpenAPI schema

Specs

Technical details

PlatformsAPI
Multilingual supportYes
Login requiredUnknown
Open sourceYes
LicenseFish Audio Research License; separate license required for commercial use
DeploymentHybrid
Company39 AI, Inc. (Fish Audio)
Models / versionsS2-Pro S1 Transcribe-1
Editions / plansFree, Basic, Professional, Organization, and Custom plans
Data confidenceHigh
Last verifiedAugust 1, 2026
Documentation → Source code → Data source →
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Answers

Frequently asked questions

Fish Audio offers expressive text-to-speech, voice cloning, voice design, speech-to-text, real-time streaming, creator tools, and developer APIs. Its S2-Pro model supports more than 80 TTS languages, while transcription supports more than 100 languages and dialects.
Creators and developers building expressive multilingual audio products
The listed pricing model for Fish is Freemium. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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