music and audio
Udio Allegro
Udio music model; after a UMG settlement (Oct 2025) the platform moves to training only on licensed music.

Levelmodel
Classmusic and audio
Parametersnot in the notes
Contextnot in the notes
ReleasedMar 2025
Opennessproprietary
Runs onnot in the notes
Statusactive
Lineage
successor
Udio v1.5 is the parent (successor)medium confidencenotesWhere this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 2 models. Confidence and evidence are the notes' own.
Identity
- Developer
- Uncharted Labs (Udio)
- Family
- Udio
- Released
- Mar 2025 sourcessecondary report
- Weights published
- –
- Record checked
- 10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.
Architecture and Size
- Architecture
- not in the notes
- Total parameters
- – sources
- Active parameters
- –
- Checkpoint parameters
- –
- Context length
- not in the notes
- Input
- text
- Output
- audio
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).
Openness and Access
- Openness
- proprietary
- Licence
- Proprietary sources
- Access routes
- consumer app
Where this comes from
The licence file governs over registry tags and aggregator labels.
Deployment
- Runs on
- not in the notes
- Footprint
- not in the notes
- Runtimes
- not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.
Indonesia
- Indonesian support
- not stated
- Regional languages
- not in the notes
- Jakarta hosting
- unknown
- Languages
- not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.
Benchmark Results
The notes record no benchmark result for this model.
Industry Use Cases
No industry use case links this model.
Links
Developer
Uncharted Labs (Udio)startup, USA
Uncharted Labs (Udio)startup, USAModel
Udio AllegroUncharted Labs (Udio), music and audio
Udio AllegroUncharted Labs (Udio), music and audioR&D TopicsText-to-Music and Song Generation
Use Casesnone recorded
Who Runs Itnone recorded
Models 2
Organisations 1
Sources
- Udio - Wikipedia en.wikipedia.org https://en.wikipedia.org/wiki/Udio
- Udio (udio.com) Los Angeles Office: Careers, Perks + Culture | Built In Los Angeles builtinla.com https://www.builtinla.com/company/udio-udiocom
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Udio Allegro", https://aurion.semai.id/models/uncharted-labs-udio-allegro/, records of October 2026.