Open-source SDXL-based AI model for native high-resolution anime art generation
AI music transcription: convert audio to MIDI and sheet music, scan scores, detect song keys
Stage
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Founded
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Based in
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Pricing model
Open source
Freemium
Pricing
Free for personal and research use; prohibits closed-source proprietary monetization
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
Native 1536x1536 high-resolution generation without upscaling
Hybrid Prompting System combining natural English and Danbooru tags
Stable text encoder fine-tuning for superior concept understanding
Trained on comprehensive Danbooru2023 dataset
Full compatibility with ComfyUI, Automatic1111, Forge, and Draw Things
Superior anatomy rendering with flawless hands and character details
V-Prediction architecture for enhanced dynamic range and contrast
Highly flexible base canvas for LoRA training and custom checkpoints
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
Only open-source SDXL model natively trained at 1536x1536 resolution
Stylistically neutral untuned base canvas unlike Pony Diffusion
Continuous rapid iterations from v0.1 to v3.5 with aggressive optimization
Thousands of compatible community-trained LoRAs and derivatives
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
Illustrious XL
MelodyWiz