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parakeet-ctc-1.1b

Name: parakeet-ctc-1.1b
Author: nvidia

by nvidia · source Hugging Face · updated 2026-08-05

cc-by-4.01.1 GB~2 GB RAMsource aliveunlabeled

parakeet-ctc-1.1b is an ASR model that transcribes speech in lower case English alphabet. This model is jointly developed by NVIDIA NeMo and Suno.ai teams. It is an XXL version of FastConformer CTC […

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Source and license

Source: https://huggingface.co/nvidia/parakeet-ctc-1.1b
License: cc-by-4.0
Requirements: about 2 GB of RAM, 1.1 GB on disk (estimate: suggested file size × 1.15 + 0.5 GB; a real measurement comes with lsh models). Runs with whisper.cpp.
Tags: nemo safetensors gguf parakeet_ctc automatic-speech-recognition transformers speech audio FastConformer Conformer pytorch NeMo hf-asr-leaderboard ctc en dataset:librispeech_asr

Numbers

317,747 downloads on Hugging Face
61 likes
license cc-by-4.0
1.1 GB for parakeet-ctc-1.1b.q8_0.gguf
18,539 stars on NVIDIA-NeMo/Speech
325 open issues and PRs
last release v3.0.0 on 2026-08-07

Numbers as of 2026-10-02 20:52 UTC, from the source API.

Summary

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Files

file	quant	size
`model.safetensors`		4.0 GB
`parakeet-ctc-1.1b.q8_0.gguf`	Q8_0	1.1 GB

From the source README

Parakeet CTC 1.1B (en)

img {
display: inline;
}

`parakeet-ctc-1.1b` is an ASR model that transcribes speech in lower case English alphabet. This model is jointly developed by NVIDIA NeMo and Suno.ai teams.
It is an XXL version of FastConformer CTC [1] (around 1.1B parameters) model.
See the model architecture section and NeMo documentation for complete architecture details.

NVIDIA NeMo: Training

To train, fine-tune or play with the model you will need to install NVIDIA NeMo. We recommend you install it after you've installed latest PyTorch version.
```
pip install nemo_toolkit['all']
```

How to Use this Model

There are several ways to use this model. Choose the one that fits your needs.

Run locally with NeMo-Speech.cpp

NeMo-Speech.cpp provides a
lightweight native C++ runtime for local inference with
this model. After installing the runtime:

hf download nvidia/parakeet-ctc-1.1b \
  parakeet-ctc-1.1b.q8_0.gguf \
  --local-dir models

nemo-speech transcribe audio.wav \
--model models/parakeet-ctc-1.1b.q8_0.gguf
```

See the NeMo-Speech.cpp documentation
for more details.

Card id model:hf:nvidia/parakeet-ctc-1.1b · collected 2026-10-02 20:52 UTC · JSON