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alt.freeweights.gpt-oss / gpt-oss-120b-MXFP4-Q4
From: mlx-community <huggingface.co/mlx-community>Newsgroups: alt.freeweights.gpt-ossSubject:

gpt-oss-120b-MXFP4-Q4

Date: 2026-11-15Commit: bce781bSigned: 2DC28CC7B26A283B ✓

Text generation model with 116.8B parameters. Safetensors weights, 62.4 GB in all. Published by mlx-community under Apache-2.0.

116.8B params62.4GBgpt-oss-120b-MXFP4-Q4safetensorspermissive
FactsParams116.8BSize62.4 GBFormatssafetensorsTasktext generationLicenseApache-2.0From sourcepermissive
$ fw get mlx-community/gpt-oss-120b-MXFP4-Q4
# manifest sha256 f628936f0829… · 62.4 GB · 22 files
$ fw verify ./gpt-oss-120b-MXFP4-Q4 mlx-community/gpt-oss-120b-MXFP4-Q4
From sourceHosted (signed)mlx-community/gpt-oss-120b-MXFP4-Q4Last check: 2026-11-15 05:06 UTC
Run at homeGet help

Get help: custom fine-tune or private deploy. We review your setup before we quote.

Quantized of gpt-oss-120b.

Works with

Run24Fine-tune29Convert15Evaluate13Scan13Apps58
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
62.4 GB
Weights
62.3 GB (safetensors)
Parameters
116.8B
Formats
safetensors
Task
text generation
License
Apache-2.0 (permissive)
Files
22, each with a sha256
Publisher
mlx-community
Added
2026-11-15
Section
alt.freeweights.gpt-oss
Lineage

Original release from the publisher.

Base model: openai/gpt-oss-120b

Where these bytes come from
Publisher at the pinned commit→You

Sources are tried in order. A file counts only when its size and sha256 match the manifest. Sources are checked when you ask for them, not on a timer.

Sources
BadgeHostLast checkResult
From sourcehuggingface.co2026-11-15 05:06 UTCpassed

Model card

From the publisher at commit bce781b. Shown as plain text with links; images open at the publisher.

mlx-community/gpt-oss-120b-MXFP4-Q4#

This model mlx-community/gpt-oss-120b-MXFP4-Q4 was converted to MLX format from openai/gpt-oss-120b using mlx-lm version 0.27.0.

Use with mlx#

pip install mlx-lm
from mlx_lm import load, generate

model, tokenizer = load("mlx-community/gpt-oss-120b-MXFP4-Q4")

prompt = "hello"

if tokenizer.chat_template is not None:
    messages = [{"role": "user", "content": prompt}]
    prompt = tokenizer.apply_chat_template(
        messages, add_generation_prompt=True
    )

response = generate(model, tokenizer, prompt=prompt, verbose=True)

Files

22 files · 62.4 GBWeights 62.3 GB (safetensors). Sizes and sha256 from the signed manifest.
Show all 22 files with their sha256
FileSizesha256
.gitattributes1.57 KB34448b82c17d60fec9b65b1f093c115ddbaadc04beb1b0140b6bfed2e012a930
README.md845 B694c237515df225b5ff077a604216de051165802fa82c123e84ee636087a66e6
chat_template.jinja16.7 KBa4c9919cbbd4acdd51ccffe22da049264b1b73e59055fa58811a99efbd7c8146
config.json50.1 KBd15a4db435befc6d28eff75c34f25386fb77ae56b88630857f372fd1fc25289d
generation_config.json177 Bf9970ada892d2d1f72e3ed0a6535ccebadd11897318794ca671d8c7014c957da
model-00001-of-00013.safetensors4.93 GBf253063b8f2856e1e4bc0b3c3dcae743308574786c3de8e2b34e6108439a92a1
model-00002-of-00013.safetensors5.13 GB75e5e879cf3eb84d8d520dd084f60aa9fa804a8ed9fe5bbfa3646c0abc196fcd
model-00003-of-00013.safetensors5.13 GB8d45b4bd9a13913f1422d8056ab5e5455d961ee342810a483c65bc50e13e9825
model-00004-of-00013.safetensors5.13 GB58a266ddeb125b5bb2f62329c1db6af5907917bce7e3228b6cd4c836d2b6ff1d
model-00005-of-00013.safetensors5.13 GB9660b5a6a42ec1ecf59dd2d437ebb8f1e145d27d3d1a3b6551e4ad5f1231251c
model-00006-of-00013.safetensors5.13 GB6a25c6255571f094de71bfbbbe0788edf40a1f42732caa67d5e34cafabe2b483
model-00007-of-00013.safetensors5.13 GBbaf2929ba19f5237b2eee1d70c62d366b7fe7efd2a36c301b276eb05117f92f4
model-00008-of-00013.safetensors5.13 GB851ffd789b3fb575c93441b99a41326a1901ca931bebd1547fce68df91f6f9ae
model-00009-of-00013.safetensors5.13 GB491729509a6b125c68f6756bb14fc27be8dc264fae3090ed6422468a07c16080
model-00010-of-00013.safetensors5.13 GB3a985b1bb4073449483edcd1058390d46d6c2be2db74f77681ecd86114190367
model-00011-of-00013.safetensors5.13 GB455f0edf416082de29bbcd906869bfcb2b8fddab58c3d6e57e348c72ccda0056
model-00012-of-00013.safetensors5.13 GB40c8cf3a1797dce2b90a7e1db5858e337c173fc0e9055efe9362c56b8e0f06f1
model-00013-of-00013.safetensors927 MB93e1477c64c3bd08f4f4202aee1e7305187e86dc82666659435620317f89bd83
model.safetensors.index.json100 KB6b2aab23124d1b9761c64a4f0076c8ecaf8955ed1d09f217aa9fb82c568991a6
special_tokens_map.json440 B8464cabd6eda239fe46ebf8ae63b46c417721784a961a022f6b59174a2cda0e2
tokenizer.json27.9 MB0614fe83cadab421296e664e1f48f4261fa8fef6e03e63bb75c20f38e37d07d3
tokenizer_config.json4.20 KB9279e942392b742d633c7adbb89ebe002c98399db8926a7af5125c726f404070
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
bce781bef0 pinned now2026-11-15 05:06 UTC22 files · 62.4 GB

Use it

$ fw get mlx-community/gpt-oss-120b-MXFP4-Q4
# manifest sha256 f628936f0829… · 62.4 GB · 22 files
$ fw verify ./gpt-oss-120b-MXFP4-Q4 mlx-community/gpt-oss-120b-MXFP4-Q4
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/mlx-community/gpt-oss-120b-MXFP4-Q4.json --dir ./gpt-oss-120b-MXFP4-Q4 $ python3 fw.py verify ./gpt-oss-120b-MXFP4-Q4 ./mlx-community__gpt-oss-120b-MXFP4-Q4.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download mlx-community/gpt-oss-120b-MXFP4-Q4 --revision bce781bef0f2fc85ed4e575af74054f5aad73ddd --local-dir ./gpt-oss-120b-MXFP4-Q4
transformersLoad the weights in Python.
import os os.environ["HF_ENDPOINT"] = "https://freeweights.allternit.com" from transformers import AutoModelForCausalLM, AutoTokenizer tok = AutoTokenizer.from_pretrained("mlx-community/gpt-oss-120b-MXFP4-Q4", revision="bce781bef0f2fc85ed4e575af74054f5aad73ddd") model = AutoModelForCausalLM.from_pretrained("mlx-community/gpt-oss-120b-MXFP4-Q4", revision="bce781bef0f2fc85ed4e575af74054f5aad73ddd", device_map="auto")
vLLMServe an OpenAI-compatible API.
$ HF_ENDPOINT=https://freeweights.allternit.com vllm serve mlx-community/gpt-oss-120b-MXFP4-Q4 --revision bce781bef0f2fc85ed4e575af74054f5aad73ddd
Run at home

License

Name
Apache License 2.0
Id
Apache-2.0
Class
Permissive
Redistribution
yes
Listing
Hosted (signed)
Decided
License as declared by the publisher. No person read it. 2026-11-15
Text in
README.md
Text sha256
694c237515df225b5ff077a604216de051165802fa82c123e84ee636087a66e6
Terms gate
No extra terms beyond the license.

Read the license text

Licenses are checked against the license table. A custom license passes only after a person reads it.

Provenance

From: mlx-community <huggingface.co/mlx-community>Newsgroups: alt.freeweights.gpt-ossSubject: gpt-oss-120b-MXFP4-Q4Date: 2026-11-15Commit: bce781bSigned: 2DC28CC7B26A283B ✓
Upstream
mlx-community/gpt-oss-120b-MXFP4-Q4
Pinned commit
bce781bef0f2fc85ed4e575af74054f5aad73ddd
Manifest
gpt-oss-120b-MXFP4-Q4.json · .minisig
Manifest sha256
f628936f08292dc0c2691ac5f782ba49e663305daf7d93c7f06a3da03deb9649
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 05:06 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/mlx-community/gpt-oss-120b-MXFP4-Q4.json $ curl -O https://freeweights.allternit.com/manifests/mlx-community/gpt-oss-120b-MXFP4-Q4.json.minisig $ minisign -Vm gpt-oss-120b-MXFP4-Q4.json -P RWQ7KGqyx4zCLXtUFOqvfv8L3g+8fpKJ1FsuxPyOYMF+4KufbUxKq1Oq $ shasum -a 256 <file> # compare with the Files tab

A manifest whose signature fails must be rejected. A file whose size or sha256 does not match must be discarded. Verify a download

Model tree

Parent

openai/gpt-oss-120b · this model is a quantization of it

No model in the catalog names this one as its parent.

Get it
Download
$ HF_ENDPOINT=https://freeweights.allternit.com hf download mlx-community/gpt-oss-120b-MXFP4-Q4
Open in Freeweights Studio

Pull, verify and run it in the Allternit app on Desktop, web or phone.

Signed manifest
minisign, key 2DC28CC7B26A283B. gpt-oss-120b-MXFP4-Q4.json. Provenance. Takedown history: none.
Source
huggingface.co/mlx-community/gpt-oss-120b-MXFP4-Q4

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