Kyutai Releases MuScriptor: Open-Weight Transformer for Multi-Instrument Music Transcription to MIDI

Jul 13, 2026

Kyutai and Mirelo have released MuScriptor, an open-weight decoder-only Transformer designed to transcribe multi-instrument music into MIDI. The model was trained on 170,000 real recordings and 1.45 million synthetic MIDIs, and is benchmarked against YourMT3+.

Why it matters: MuScriptor advances open-source music transcription by enabling full multi-instrument mix transcription with a decoder-only architecture.

Full story at: MarkTechPost / AI ↗