speech synthesis
Orpheus TTS
Open text-to-speech system built on a Llama 3B language model backbone.
Levelmodel
Classspeech synthesis
Parameters3.78B
Contextnot in the notes
Released17 Mar 2025
Opennessopen weights permissive
Runs onnot in the notes
Statusactive
Identity
- Developer
- Canopy Labs
- Family
- not in the notes
- Released
- 17 Mar 2025 sourcesregistry date
- Weights published
- –
- Record checked
- 12 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
- dense transformer Llama 3B backbone
- Total parameters
- 3.78B sources
- Active parameters
- –
- Checkpoint parameters
- –
- Note
- Multilingual research models followed in April 2025.
- 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
- open weights permissive
- Licence
- Apache License 2.0 sources
- Access routes
- open weights download
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.
Lineage
The notes record no lineage for this model.
Industry Use Cases
No industry use case links this model.
Links
DeveloperCanopy Labsstartup
Canopy LabsstartupModelOrpheus TTSCanopy Labs, speech synthesis
Orpheus TTSCanopy Labs, speech synthesisR&D TopicsLarge-Scale Zero-Shot Text-to-Speech
Use Casesnone recorded
Who Runs Itnone recorded
Organisations 1
Sources
- github.com/canopyai/Orpheus-TTS https://github.com/canopyai/Orpheus-TTS
- huggingface.co/canopylabs/orpheus-3b-0.1-ft https://huggingface.co/canopylabs/orpheus-3b-0.1-ft
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Orpheus TTS", https://aurion.semai.id/models/canopy-labs-orpheus-tts/, records of October 2026.