AI MIDI co-writer that collaborates with you to create and customize MIDI stems and loops
Background removal API and self-hosted open-weight model for image matting
Stage
Established
Not given
Founded
2019
2022
Based in
CA
DE
Pricing model
Freemium
Freemium
Pricing
Basic: $11.99/month (unlimited monthly credits, no commercial use, no record/upload). Pro: $4.99/month for first month, then $14.99/month (unlimited commercial use, record/upload, AI Lyrics Generator). Buy once option available with all updates until June 2029.
Pro Model API: 50 free credits on signup, then credit packs from €10 (100 credits at €0.10 each) to €500 (10,000 credits at €0.05 each), or equivalent monthly subscriptions. Open-weight model: Apache-2.0, free to self-host.
Key features
Generate MIDI from text prompts up to 16 tracks and 32 bars at once
Adjust every detail from overall feel to individual notes and velocities
Upload your own MIDI or audio for continuation and complementation
Drag and drop into DAW without leaving your session
Create accompaniments and rewrites of existing MIDI
Personalized sound design tips from AI
AI Lyrics Generator bonus for Pro plan
AI music theory and composition assistance
100% royalty-free MIDI generation
Support for all DAWs and notation software
Pro Model API with managed REST infrastructure in Frankfurt, Germany
Open-weight Apache-2.0 model for self-hosting on Python, Docker, or macOS
Alpha matte output for precise edge refinement
Refine feature with Keep and Remove brush strokes
Optimized for hair, fur, and complex edges
Native macOS app with batch processing and on-device Apple Silicon inference
GIMP 3.0 plugin for local background removal
Docker support with web UI and headless API
What makes it different
Trained on music theory and emotional arcs rather than overused mainstream songs
Learns your personal style over time and sounds more like you
Ethical AI trained on data respecting artists and copyrights
MIDI-based for energy efficiency and fast performance
Human-centered design focused on empowering not replacing musicians
Publishes benchmarked results comparing against alternatives including remove.bg with losses included
Same API schema for both managed API and self-hosted open-weight model for easy switching
RAM-only processing with no image storage or training on customer uploads
p95 latency of 1.95 seconds on managed API with EU hosting for GDPR compliance
No subscription lock-in with optional monthly billing or one-time credit packs
withoutBG