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alt.freeweights.gpt-oss / gpt-oss-20b-MLX-8bit
From: lmstudio-community <huggingface.co/lmstudio-community>Newsgroups: alt.freeweights.gpt-ossSubject:

gpt-oss-20b-MLX-8bit

Date: 2026-11-15Commit: d23249eSigned: 2DC28CC7B26A283B ✓

Text generation model with 20.9B parameters. Safetensors weights, 22.3 GB in all. Published by lmstudio-community under Apache-2.0.

20.9B params22.3GBgpt-oss-20b-MLX-8bitsafetensorspermissive
FactsParams20.9BSize22.3 GBFormatssafetensorsTasktext generationLicenseApache-2.0From sourcepermissive
$ fw get lmstudio-community/gpt-oss-20b-MLX-8bit
# manifest sha256 cf2ae13b1c64… · 22.3 GB · 14 files
$ fw verify ./gpt-oss-20b-MLX-8bit lmstudio-community/gpt-oss-20b-MLX-8bit
From sourceHosted (signed)lmstudio-community/gpt-oss-20b-MLX-8bitLast check: 2026-11-15 04:51 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

Run24Fine-tune29Convert15Evaluate13Scan13Apps58
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
22.3 GB
Weights
22.2 GB (safetensors)
Parameters
20.9B
Formats
safetensors
Task
text generation
License
Apache-2.0 (permissive)
Files
14, 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 04:51 UTCpassed

Model card

From the publisher at commit d23249e. 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

MLX quantization: provided by LM Studio team using mlx_lm

Technical Details#

8-bit quantized version of gpt-oss-20b using MLX, optimized for Apple Silicon.

Special thanks#

🙏 Special thanks to the Apple Machine Learning Research team for creating MLX.

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

14 files · 22.3 GBWeights 22.2 GB (safetensors). Sizes and sha256 from the signed manifest.
Hide all 14 files with their sha256
FileSizesha256
.gitattributes1.57 KB34448b82c17d60fec9b65b1f093c115ddbaadc04beb1b0140b6bfed2e012a930
README.md2.20 KB6355d6abefbe5b8e86a10218ba747d73a14c526bf93eb259a0c9b48649489d21
chat_template.jinja15.9 KBf8d9255777615591a7cc1a7c932f5a69e181128902295e1b81221d20d983cac7
config.json1.94 KB6f9d9cad9aa6013d7e77576179d28d3e472073732d6bb8044b9403c7334ab3c0
generation_config.json165 B199566674b96510c3b9a1141b494223a86a3ff83097e2c2f259c4d94fafc5847
model-00001-of-00005.safetensors5.30 GB07e59e3bc2b5bc6fd6d5811d149a4f23113333140fb3f4c54bff6e2111ccecad
model-00002-of-00005.safetensors5.25 GBa626763e06e8bb3c00e372bde53c74cf7b1dfd76ffc6a15e671f1a0ee36d37dd
model-00003-of-00005.safetensors5.25 GBc3cb9e56fb04f964af6d648a2865253899da8631ec8932404d4c6e45865293e0
model-00004-of-00005.safetensors5.25 GB1a467316b47807f6126e1e5fcbff0315b9dde56f46c41be3a91a2b44e6297417
model-00005-of-00005.safetensors1.18 GBcd43034462c3e4c7ce454ac0f9259ada7902342f9c417ea13822fc5b3af5fbd4
model.safetensors.index.json73.6 KBa4618a4ed9d3fb32bc9f89c8432aac3755ee5d2ebb7b2cd851f89bdfc44574d4
special_tokens_map.json440 B8464cabd6eda239fe46ebf8ae63b46c417721784a961a022f6b59174a2cda0e2
tokenizer.json27.9 MB0614fe83cadab421296e664e1f48f4261fa8fef6e03e63bb75c20f38e37d07d3
tokenizer_config.json4.20 KB0b9149c8aef7be6ded52e773f8520c6c8530e1971f4c3723c5c1e854c100de94
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
d23249e3b5 pinned now2026-11-15 04:51 UTC14 files · 22.3 GB

Use it

$ fw get lmstudio-community/gpt-oss-20b-MLX-8bit
# manifest sha256 cf2ae13b1c64… · 22.3 GB · 14 files
$ fw verify ./gpt-oss-20b-MLX-8bit lmstudio-community/gpt-oss-20b-MLX-8bit
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-MLX-8bit.json --dir ./gpt-oss-20b-MLX-8bit $ python3 fw.py verify ./gpt-oss-20b-MLX-8bit ./lmstudio-community__gpt-oss-20b-MLX-8bit.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download lmstudio-community/gpt-oss-20b-MLX-8bit --revision d23249e3b54df6248c79b67c155bab2f836742dd --local-dir ./gpt-oss-20b-MLX-8bit
transformersLoad the weights in Python.
import os os.environ["HF_ENDPOINT"] = "https://freeweights.allternit.com" from transformers import AutoModelForCausalLM, AutoTokenizer tok = AutoTokenizer.from_pretrained("lmstudio-community/gpt-oss-20b-MLX-8bit", revision="d23249e3b54df6248c79b67c155bab2f836742dd") model = AutoModelForCausalLM.from_pretrained("lmstudio-community/gpt-oss-20b-MLX-8bit", revision="d23249e3b54df6248c79b67c155bab2f836742dd", device_map="auto")
vLLMServe an OpenAI-compatible API.
$ HF_ENDPOINT=https://freeweights.allternit.com vllm serve lmstudio-community/gpt-oss-20b-MLX-8bit --revision d23249e3b54df6248c79b67c155bab2f836742dd
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
6355d6abefbe5b8e86a10218ba747d73a14c526bf93eb259a0c9b48649489d21
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-MLX-8bitDate: 2026-11-15Commit: d23249eSigned: 2DC28CC7B26A283B ✓
Upstream
lmstudio-community/gpt-oss-20b-MLX-8bit
Pinned commit
d23249e3b54df6248c79b67c155bab2f836742dd
Manifest
gpt-oss-20b-MLX-8bit.json · .minisig
Manifest sha256
cf2ae13b1c6421f77f7e5979ca4365ab9ae3304cf423c2749630bacece799b1c
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 04:51 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/lmstudio-community/gpt-oss-20b-MLX-8bit.json $ curl -O https://freeweights.allternit.com/manifests/lmstudio-community/gpt-oss-20b-MLX-8bit.json.minisig $ minisign -Vm gpt-oss-20b-MLX-8bit.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-MLX-8bit
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-MLX-8bit.json. Provenance. Takedown history: none.
Source
huggingface.co/lmstudio-community/gpt-oss-20b-MLX-8bit

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