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Stepfun vs Fish Audio

Side-by-side comparison of features, pricing, and ratings

Stepfun
Stepfun

Stepfun is an AI-powered platform for prompt engineering and model evaluation.

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Fish Audio
Fish Audio

Expressive AI Text-to-Speech & Voice Cloning with emotion control

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Pricing
Contact Sales
Freemium
Plans
$0/mo
$12/mo ($10/mo yearly)
$32/mo ($27/mo yearly)
$150/mo ($125/mo yearly)
Custom
Popularity
5.6k views
6.3k views
Skill Level
Advanced
Beginner-friendly
API Available
Platforms
Web
WebAPI
Categories
🎙️ Voice & Speech🔬 Research & Education🎨 Image Generation
🎬 Video & Audio🎙️ Voice & Speech Productivity
Features
Prompt version control
Multi-model output comparison
Automated regression testing
Collaborative workspaces
Dataset management for test suites
Performance analytics dashboard
Side-by-side model evaluation
Prompt template library
Real-time text-to-speech with emotion control
Voice cloning from 15 seconds of audio
Speech-to-text with speaker diarization
2,000,000+ pre-made voices in voice library
30+ language support
Emotion tags: angry, sad, excited, whisper, etc.
Special effects: laughing, sighing, crowd applause
Ultra-low latency streaming API
Instant voice cloning via API
Team Plan for collaborative projects
Open-source community contributions
ACX/Audible compliant audiobook narration
Character voice creation for games/animation
Conversational chatbot voice integration
Multilingual voice cloning (any voice, any language)