Zephyr 141B-A39B

Closed weights Hugging Face 141B parameters April 2024

No estimate

No hardware requirements for this model

The weights for this model have not been published, so it cannot be downloaded or run on your own hardware at any size. It is reachable only through its provider, and no graphics card changes that.

On record

Full specification

Everything on record for this model. Most of it describes how it was trained rather than how it runs — useful context for judging how much work went into it, and how it compares with models built at a different scale.

Origin

Who built this model, where, and when it was published.

Organisation
Hugging Face
Organisation type
Industry
Country
United States of America
Published
11 April 2024
Authors
Jiwoo Hong, Noah Lee, James Thorne

Size

How large the model is and how much data it was trained on. Parameters are the figure that decides whether it fits on a given graphics card.

Parameters
141B
Training data
tokens

uses argilla/distilabel-capybara-dpo-7k-binarized

How it is classified

Labels the source dataset applies when tracking notable models, and how confident it is in the entry.

Record confidence
Confident

Sources

Where this record came from and when it was last checked.

Last updated
28 November 2025

What the numbers mean

What this model is

Zephyr 141B-A39B was published by Hugging Face, in United States of America, in April 2024. The organisation is categorised as industry.

Its weights were never published, so it can only be reached through its provider. No graphics card changes that.

Answers

Zephyr 141B-A39B — common questions

01

How many parameters does Zephyr 141B-A39B have?

Zephyr 141B-A39B has 141B parameters. That figure is the total, and it is what decides how much memory the model needs — roughly half a gigabyte per billion at the compression most people use.

02

Who created Zephyr 141B-A39B?

Zephyr 141B-A39B was published by Hugging Face, based in United States of America, categorised as industry.

03

When was Zephyr 141B-A39B released?

Zephyr 141B-A39B was published in April 2024. Capability per parameter has improved considerably since, so a newer model of the same size is often the better use of the same hardware.

04

What GPU do I need to run Zephyr 141B-A39B?

None. Zephyr 141B-A39B is a closed model — its weights were never published, so it cannot be downloaded or run on your own hardware at any price. It is reachable only through its provider.

05

Is Zephyr 141B-A39B open source?

The licensing for Zephyr 141B-A39B was never recorded in our source data. We treat unstated licensing as closed, because an unrecorded licence is not one to rely on.

Source

Original publication

Record last updated 28 November 2025

The other direction

Looking at it from the other side?

This page starts from the model. If you already own a card and want to know everything it will run, start from the hardware instead.