Project AURIONAI Use-Cases Research & Innovation
speech recognitionfamily

Parakeet

NVIDIA NeMo family of FastConformer speech recognition models with CTC, transducer and TDT decoders.

NVIDIA
Levelfamily
Classspeech recognition
Parametersnot in the notes
Contextnot in the notes
Released28 Dec 2023
Opennessopen weights permissive
Runs onnot in the notes
Statusactive

Lineage

NVIDIAparakeet-unified-en-0.6b belongs to this familyspeech recognition7 Apr 2026600M
NVIDIAmultitalker-parakeet-streaming-0.6b-v1 belongs to this familyspeech recognition15 Oct 2025600M
NVIDIAparakeet-tdt_ctc-110m belongs to this familyspeech recognition17 Sep 2024114M
NVIDIAparakeet-tdt-1.1b belongs to this familyspeech recognition25 Jan 2024
NVIDIAparakeet-ctc-1.1b belongs to this familyspeech recognition28 Dec 20231.06B
NVIDIAparakeet-rnnt-1.1b belongs to this familyspeech recognition27 Dec 20231.07B
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. Confidence and evidence are the notes' own.

R&D Topics

Identity

Developer
NVIDIA
Family
not in the notes
Released
28 Dec 2023 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 FastConformer encoder with CTC, RNN-T or TDT decoders
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Note
110M to 1.1B; checkpoints include parakeet-ctc-0.6b, parakeet-ctc-1.1b, parakeet-rnnt-0.6b, parakeet-rnnt-1.1b, parakeet-tdt-1.1b, parakeet-tdt_ctc-110m, parakeet-tdt_ctc-0.6b-ja, parakeet-unified-en-0.6b. The Parakeet-TDT-0.6B line has its own AURION family.
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
open weights permissive
Licence
Creative Commons Attribution 4.0 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
Mostly English; one Japanese checkpoint
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.

Sources

  1. huggingface.co/nvidia/parakeet-ctc-1.1b https://huggingface.co/nvidia/parakeet-ctc-1.1b
  2. docs.nvidia.com/nemo-framework/user-guide/latest/nemotoolkit/... https://docs.nvidia.com/nemo-framework/user-guide/latest/nemotoolkit/asr/all_chkpt.html

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Parakeet", https://aurion.semai.id/models/nvidia-parakeet/, records of October 2026.