AI music generator that turns one sentence into a complete song
AI character swap in any video, no subscription
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Paid
Pricing
Not given
400 credits for $4.99 USD, 1,200 credits for $14.99 USD, 3,000 credits for $29.99 USD, 7,200 credits for $59.99 USD. A 5-second 480P video costs about $1.25. Credits are one-time purchases and never expire.
Key features
End-to-end whole-song generation from natural language
Smart Lyrics: AI writes lyrics in Chinese or English matched to mood and theme
Instrumental mode for generating arrangements without vocals
Multiple versions per generation to compare directions
Professional music vocabulary support: genre, BPM, key, instrumentation
Reference audio for style and timbre matching
Music recipes: published songs expose the prompt behind them
Community plaza with likes, comments and hit-music feed
Supports prompts up to 5,000 characters with situation, genre, vocal character and arrangement details
Free daily draft attempts with charged music generation
Motion Transfer mode that rebuilds the entire video around original motion
Object Swap mode to change selected targets only
Replace multiple people with up to 10 reference photos per video
Swap characters, outfits, products, or objects
Optional prompt for specific instructions
Output quality options from 480P to 1080P
Cost preview before video generation
Support for videos 4 to 30 seconds long up to 100 MB
Preserves original motion, timing and camera movement
What makes it different
Independent guide and studio explaining Happy Shrimp with guided prompts and example songs
Whole-song generation that maintains coherence from intro to outro unlike staged pipelines
Understands both natural language and professional producer terminology
Six example songs across genres with briefs that can be customized and regenerated
Educational resources explaining prompt structure and workflow for better results
No subscription required - pay per video with one-time credit packs
Credits never expire
Transparent pricing shown before generation starts
Happy Shrimp Online
Genjutsu