Fish Audio S2 is a studio-grade AI text-to-speech tool providing voice cloning and emotion control.
Why it matters
Stork’s verdict on Fish Audio S2
Fish Audio S2 reviewed by Stork AI · stork.ai/en/fish-audio-s2
API Docs
API Available
overview
Fish Audio S2 is a text-to-speech (TTS) tool developed by Fish Audio that enables creators, developers, and businesses to generate lifelike speech from text. It specializes in expressive speech with control over emotions, allowing for a variety of applications such as video voiceovers and audiobooks.
features
Fish Audio S2 provides a range of functions designed to enhance text-to-speech generation for various industries.
use cases
Fish Audio S2 is suitable for various target audiences looking for advanced text-to-speech capabilities.
pricing
Fish Audio S2 operates on a freemium model, offering free access to its text-to-speech features with limitations. API access requires an API key.
Similar Tools
Fish Audio S2 distinguishes itself through its expressive capabilities and open-source model.
Focuses on high-quality English content creation with basic emotion presets and established market presence.
ElevenLabs offers top-tier voice quality and supports 29 languages, but lacks Fish Audio's 50+ emotion markers and voice cloning efficiency. It's 2-3× more expensive than Fish Audio while delivering comparable quality, making it better suited for creators focused primarily on English content.
Enterprise-grade TTS integrated with AWS infrastructure, supporting 60+ languages with limited emotion control.
Polly excels in enterprise applications and offers the broadest language support, but lacks voice cloning capabilities and emotional expressiveness compared to Fish Audio S2. Its API integration is optimized for AWS environments rather than general-purpose applications.
Designed for corporate teams with basic emotion presets and limited API capabilities.
Murf AI targets corporate video and presentation workflows with 20+ languages and basic emotional control, but offers limited voice cloning and API functionality compared to Fish Audio's advanced features. It's positioned for team-based corporate use rather than developer integration.
Leads public benchmarks for real-time voice agents with the upgraded TTS-1.5 model launched in 2025.
Inworld TTS-1.5-Max ranks highest on Artificial Analysis benchmarks, outperforming Fish Audio's S2 in raw quality metrics, but Fish Audio offers more competitive pricing at $15 per 1M characters versus Inworld's premium positioning. Inworld is optimized for real-time conversational AI agents.
Released October 2025, ranks #2 on Artificial Analysis with quality closest to Inworld TTS-1.5.
MiniMax Speech 2.6 HD delivers quality comparable to Inworld but at significantly higher cost (approximately 10× more expensive than Fish Audio). It appeals to teams prioritizing absolute quality over cost-efficiency, whereas Fish Audio balances quality with affordability.
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