speech recognition
OWSM-CTC v4 1B
Non-autoregressive CTC version of OWSM v4 for multilingual speech recognition.
Levelvariant
Classspeech recognition
Parameters1B
Contextnot in the notes
Released16 Jan 2025
Opennessfully open
Runs onnot in the notes
Statusactive
Identity
- Developer
- Carnegie Mellon University
- Family
- OWSM v4
- Released
- 16 Jan 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
- other
- Total parameters
- 1B sourcesunverified
- Active parameters
- –
- Checkpoint parameters
- –
- Context length
- not in the notes
- Input
- audio
- Output
- text
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
- fully open
- Licence
- Creative Commons Attribution 4.0 sources
- Access routes
- not in the notes
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
ModelOWSM-CTC v4 1BCarnegie Mellon University, speech recognition
OWSM-CTC v4 1BCarnegie Mellon University, speech recognitionUse Casesnone recorded
Who Runs Itnone recorded
Organisations 1
Sources
- huggingface.co/espnet/owsm_ctc_v4_1B https://huggingface.co/espnet/owsm_ctc_v4_1B
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "OWSM-CTC v4 1B", https://aurion.semai.id/models/carnegie-mellon-university-owsm-ctc-v4-1b/, records of October 2026.