Open-source video generation models and world simulators
AI music transcription: convert audio to MIDI and sheet music, scan scores, detect song keys
Stage
Not given
Not given
Founded
Not given
Not given
Based in
US
Not given
Pricing model
Freemium
Freemium
Pricing
Free plan: $0/month with 250 lifetime credits. Lite plan: 1,200 credits per month. Standard plan: 5,000 credits per month. Mochi video generation costs 100 credits; replay video costs 50 credits.
Free: 5 transcription jobs daily. Downloads are one-time purchases: up to 2 pages $2.99, 3–9 pages $5.99, 10+ pages $9.99 for MusicXML + MIDI; Rehearsal Pack with practice MP3s and slow mixes $3 more. Credit packs: $9 unlocks 4 pieces, $19 unlocks 10. Practice Passes: $9.99 for 30 days or $29 for 90
Key features
Text-to-video generation from written descriptions
Local execution and customization via open-source repository
ComfyUI integration for tailored experience
Interactive playground for testing capabilities
Commercial usage rights on paid plans
MP4 video format with H.264 encoding
Videos up to 5.4 seconds at 30fps
Video download for 30 days after generation
Watermark removal on paid plans
High queue priority for paid users
Transcribe audio files (MP3, WAV, FLAC, OGG) to MIDI and sheet music
Scan sheet music PDFs and photos into editable MusicXML
Detect song key, Camelot code and BPM
Browser preview with highlighted notes before downloading
Note-matching exercises with microphone or keyboard input
Harmonic-ghost filter to remove phantom octave notes from transcription
Quality metrics displayed on every transcription job
What makes it different
Apache 2.0 licensed open-source model for individual and commercial use
World simulator technology for embodied AI breakthroughs
Team with 55,000+ citations across foundational AI research
Run locally without vendor lock-in
State-of-the-art open text-to-video model
Tuned transcription engine with harmonic-ghost filter, not an API wrapper
Honest quality metrics on every job showing notes detected and ghosts filtered
Free daily use with no account required
One-time payments per piece, no subscription required
Professional notation engraving and MusicXML output for editing in music software
MelodyWiz