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alt.freeweights.image / BiRefNet
From: Comfy-Org <huggingface.co/Comfy-Org>Newsgroups: alt.freeweights.imageSubject:

BiRefNet

Date: 2026-11-14Commit: 884af70Signed: 2DC28CC7B26A283B ✓

Mask generation model. Safetensors weights, 1.33 GB in all. Published by Comfy-Org under MIT.

image1.33GBBiRefNetsafetensorspermissive
FactsParamsnot statedSize1.33 GBFormatssafetensorsTaskmask generationLicenseMITFrom sourcepermissive
$ fw get Comfy-Org/BiRefNet
# manifest sha256 b918a142bb63… · 1.33 GB · 4 files
$ fw verify ./BiRefNet Comfy-Org/BiRefNet
From sourceHosted (signed)Comfy-Org/BiRefNetLast check: 2026-11-14 21:26 UTC
Run at homeGet help

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

Fine-tune of BiRefNet.

Works with

Run9Fine-tune7Convert8Scan2

Runs with

Ranked by fit to this model (safetensors), then by GitHub stars.

TransformersComfyUILocalAItinygradTriton Inference ServerBentoMLCTranslate2ExLlamaV2LitServe
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
1.33 GB
Weights
1.33 GB (safetensors)
Parameters
not stated
Formats
safetensors
Task
mask generation
License
MIT (permissive)
Files
4, each with a sha256
Publisher
Comfy-Org
Added
2026-11-14
Section
alt.freeweights.image
Lineage

Original release from the publisher.

Base model: ZhengPeng7/BiRefNet

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.co2026-11-14 21:26 UTCpassed

Model card

From the publisher at commit 884af70. Shown as plain text with links; images open at the publisher.

BiRefNet#

Repackaged model files for ComfyUI.

Original model repository:

Place the files in the following folders:

📂 ComfyUI/
├── 📂 models/
│   ├── 📂 background_removal/
│   │   ├── birefnet.safetensors
│   │   └── lucida.safetensors

Workflows#

| Workflow | Thumb

| Remove Background: BiRefNet | Remove Background: BiRefNetBefore

| Remove Background: BiRefNetAfter

Files

4 files · 1.33 GBWeights 1.33 GB (safetensors). Sizes and sha256 from the signed manifest.
Hide all 4 files with their sha256
FileSizesha256
.gitattributes1.52 KB11ad7efa24975ee4b0c3c3a38ed18737f0658a5f75a0a96787b576a78a023361
README.md1.91 KB8b944bdd97a09fe3181e860a0d0a2958d580546b114753d6e9511596da7b7dd5
background_removal/birefnet.safetensors444 MB9ab37426bf4de0567af6b5d21b16151357149139362e6e8992021b8ce356a154
background_removal/lucida.safetensors885 MBa43e3dd84cbe84db76bd2015ef8f7034c9503c50d9b56fa2155803b69bd2f408
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
884af709e9 pinned now manifest updated, same commit2026-11-14 21:26 UTC4 files · 1.33 GB
884af709e92026-11-14 21:26 UTC4 files · 1.33 GB

Use it

$ fw get Comfy-Org/BiRefNet
# manifest sha256 b918a142bb63… · 1.33 GB · 4 files
$ fw verify ./BiRefNet Comfy-Org/BiRefNet
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/Comfy-Org/BiRefNet.json --dir ./BiRefNet $ python3 fw.py verify ./BiRefNet ./Comfy-Org__BiRefNet.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download Comfy-Org/BiRefNet --revision 884af709e9b795d89dafbf97f29c8d6a2386f5c6 --local-dir ./BiRefNet
Packaged for ComfyUI. Most image, video and music models run in ComfyUI . Check the publisher's page for the workflow. Freeweights does not host it.
Run at home

License

Name
MIT License
Id
MIT
Class
Permissive
Redistribution
yes
Listing
Hosted (signed)
Decided
License as declared by the publisher. No person read it. 2026-11-14
Text in
README.md
Text sha256
8b944bdd97a09fe3181e860a0d0a2958d580546b114753d6e9511596da7b7dd5
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: Comfy-Org <huggingface.co/Comfy-Org>Newsgroups: alt.freeweights.imageSubject: BiRefNetDate: 2026-11-14Commit: 884af70Signed: 2DC28CC7B26A283B ✓
Upstream
Comfy-Org/BiRefNet
Pinned commit
884af709e9b795d89dafbf97f29c8d6a2386f5c6
Manifest
BiRefNet.json · .minisig
Manifest sha256
b918a142bb6372df9616a040aac311d79d966dc091f4ff9537b1059d66973fc4
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-14 21:26 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/Comfy-Org/BiRefNet.json $ curl -O https://freeweights.allternit.com/manifests/Comfy-Org/BiRefNet.json.minisig $ minisign -Vm BiRefNet.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

ZhengPeng7/BiRefNet · this model is a finetune of it

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

Get it
Download
$ HF_ENDPOINT=https://freeweights.allternit.com hf download Comfy-Org/BiRefNet
Open in Freeweights Studio

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

Signed manifest
minisign, key 2DC28CC7B26A283B. BiRefNet.json. Provenance. Takedown history: none.
Source
huggingface.co/Comfy-Org/BiRefNet

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