CatalogWantedMirrorsLedgerOperating StatementDocsStudio statusCard system
alt.freeweights.gpt-oss / gpt-oss-20b-GGUF
From: lmstudio-community <huggingface.co/lmstudio-community>Newsgroups: alt.freeweights.gpt-ossSubject:

gpt-oss-20b-GGUF

Date: 2026-11-15Commit: 21f8a86Signed: 2DC28CC7B26A283B ✓

Model. Gguf weights, 12.1 GB in all. Published by lmstudio-community under Apache-2.0.

gpt-oss12.1GBgpt-oss-20b-GGUFggufpermissive
FactsParamsnot statedSize12.1 GBFormatsggufTasknot taggedLicenseApache-2.0From sourcepermissive
$ fw get lmstudio-community/gpt-oss-20b-GGUF
# manifest sha256 41115ca7c890… · 12.1 GB · 3 files
$ fw verify ./gpt-oss-20b-GGUF lmstudio-community/gpt-oss-20b-GGUF
From sourceHosted (signed)lmstudio-community/gpt-oss-20b-GGUFLast check: 2026-11-15 04:36 UTC
Run at homeGet help

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

Quantized of gpt-oss-20b.

Works with

Run11Convert1Scan1

Convert with

ggml

Scan with

ModelScan
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
12.1 GB
Weights
12.1 GB (GGUF)
Parameters
not stated
Formats
gguf
Task
not tagged
License
Apache-2.0 (permissive)
Files
3, each with a sha256
Publisher
lmstudio-community
Added
2026-11-15
Section
alt.freeweights.gpt-oss
Lineage

Original release from the publisher.

Base model: openai/gpt-oss-20b

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 04:36 UTCpassed

Model card

From the publisher at commit 21f8a86. Shown as plain text with links; images open at the publisher.

💫 Community Model> gpt-oss-20b by openai#

👾 LM Studio Community models highlights program. Highlighting new & noteworthy models by the community. Join the conversation on Discord.

Model creator: openai

Original model: gpt-oss-20b

GGUF quantization: provided by LM Studio team using llama.cpp

Special thanks#

🙏 Special thanks to Georgi Gerganov and the whole team working on llama.cpp for making all of this possible.

Disclaimers#

LM Studio is not the creator, originator, or owner of any Model featured in the Community Model Program. Each Community Model is created and provided by third parties. LM Studio does not endorse, support, represent or guarantee the completeness, truthfulness, accuracy, or reliability of any Community Model. You understand that Community Models can produce content that might be offensive, harmful, inaccurate or otherwise inappropriate, or deceptive. Each Community Model is the sole responsibility of the person or entity who originated such Model. LM Studio may not monitor or control the Community Models and cannot, and does not, take responsibility for any such Model. LM Studio disclaims all warranties or guarantees about the accuracy, reliability or benefits of the Community Models. LM Studio further disclaims any warranty that the Community Model will meet your requirements, be secure, uninterrupted or available at any time or location, or error-free, viruses-free, or that any errors will be corrected, or otherwise. You will be solely responsible for any damage resulting from your use of or access to the Community Models, your downloading of any Community Model, or use of any other Community Model provided by or through LM Studio.

Files

3 files · 12.1 GBWeights 12.1 GB (GGUF). Sizes and sha256 from the signed manifest.
Hide all 3 files with their sha256
FileSizesha256
.gitattributes1.64 KB256d19e1e07689a95cb1bf4b2fa6698ee61b47097d186c47337337edf898ca73
README.md2.04 KB161696f308251225c72e160fdebb3ff7c4fb6afd5e4f8771ef779783195154d2
gpt-oss-20b-MXFP4.gguf12.1 GB65d06d31a3977d553cb3af137b5c26b5f1e9297a6aaa29ae7caa98788cde53ab
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
21f8a86825 pinned now2026-11-15 04:36 UTC3 files · 12.1 GB

Use it

$ fw get lmstudio-community/gpt-oss-20b-GGUF
# manifest sha256 41115ca7c890… · 12.1 GB · 3 files
$ fw verify ./gpt-oss-20b-GGUF lmstudio-community/gpt-oss-20b-GGUF
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/lmstudio-community/gpt-oss-20b-GGUF.json --dir ./gpt-oss-20b-GGUF $ python3 fw.py verify ./gpt-oss-20b-GGUF ./lmstudio-community__gpt-oss-20b-GGUF.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download lmstudio-community/gpt-oss-20b-GGUF --revision 21f8a86825e36be34d24601e6d5ab45e2d366f4b --local-dir ./gpt-oss-20b-GGUF
llama.cppDownload one GGUF variant (gpt-oss-20b-MXFP4, 12.1 GB), then serve it.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download lmstudio-community/gpt-oss-20b-GGUF --include "gpt-oss-20b-MXFP4*" --local-dir ./gpt-oss-20b-GGUF $ llama-server -m ./gpt-oss-20b-GGUF/gpt-oss-20b-MXFP4.gguf
OllamaMake an Ollama model from the downloaded file.
$ printf 'FROM ./gpt-oss-20b-GGUF/gpt-oss-20b-MXFP4.gguf\n' > Modelfile $ ollama create gpt-oss-20b-gguf -f Modelfile
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
161696f308251225c72e160fdebb3ff7c4fb6afd5e4f8771ef779783195154d2
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: lmstudio-community <huggingface.co/lmstudio-community>Newsgroups: alt.freeweights.gpt-ossSubject: gpt-oss-20b-GGUFDate: 2026-11-15Commit: 21f8a86Signed: 2DC28CC7B26A283B ✓
Upstream
lmstudio-community/gpt-oss-20b-GGUF
Pinned commit
21f8a86825e36be34d24601e6d5ab45e2d366f4b
Manifest
gpt-oss-20b-GGUF.json · .minisig
Manifest sha256
41115ca7c8901c61778e0b449c0ef1702e75a68bf366574e5bd5787dadf22b00
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 04:36 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/lmstudio-community/gpt-oss-20b-GGUF.json $ curl -O https://freeweights.allternit.com/manifests/lmstudio-community/gpt-oss-20b-GGUF.json.minisig $ minisign -Vm gpt-oss-20b-GGUF.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-20b · 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 lmstudio-community/gpt-oss-20b-GGUF
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-20b-GGUF.json. Provenance. Takedown history: none.
Source
huggingface.co/lmstudio-community/gpt-oss-20b-GGUF

Related models

All of alt.freeweights.gpt-oss →
From: unsloth <huggingface.co/unsloth>Subject: gpt-oss-120b
From: mlx-community <huggingface.co/mlx-community>Subject: gpt-oss-120b-4bit
From: unsloth <huggingface.co/unsloth>Subject: gpt-oss-120b-BF16
From: lmstudio-community <huggingface.co/lmstudio-community>Subject: gpt-oss-120b-GGUF
From: unsloth <huggingface.co/unsloth>Subject: gpt-oss-120b-GGUF
From: lmstudio-community <huggingface.co/lmstudio-community>Subject: gpt-oss-120b-MLX-8bit