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alt.freeweights.text / sam2-hiera-tiny-hf
From: facebook <huggingface.co/facebook>Newsgroups: alt.freeweights.textSubject:

sam2-hiera-tiny-hf

Date: 2026-11-15Commit: e6ccaf4Signed: 2DC28CC7B26A283B ✓

Model with 39M parameters. Safetensors weights, 156 MB in all. Published by facebook under Apache-2.0.

39M params156MBsam2-hiera-tiny-hfsafetensorspermissive
FactsParams39MSize156 MBFormatssafetensorsTasknot taggedLicenseApache-2.0From sourcepermissive
$ fw get facebook/sam2-hiera-tiny-hf
# manifest sha256 9552f9571685… · 156 MB · 4 files
$ fw verify ./sam2-hiera-tiny-hf facebook/sam2-hiera-tiny-hf
From sourceHosted (signed)facebook/sam2-hiera-tiny-hfLast check: 2026-11-15 04:16 UTC
Run at homeGet help

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

Works with

Run8Fine-tune7Convert8Scan2

Runs with

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

TransformersLocalAItinygradTriton Inference ServerBentoMLCTranslate2ExLlamaV2LitServe
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
156 MB
Weights
156 MB (safetensors)
Parameters
39M
Formats
safetensors
Task
not tagged
License
Apache-2.0 (permissive)
Files
4, each with a sha256
Publisher
facebook
Added
2026-11-15
Section
alt.freeweights.text
Lineage

Original release from the publisher.

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 04:16 UTCpassed

Model card

From the publisher at commit e6ccaf4. Shown as plain text with links; images open at the publisher.

Repository for SAM 2: Segment Anything in Images and Videos, a foundation model towards solving promptable visual segmentation in images and videos from FAIR. See the SAM 2 paper for more information.

The official code is publicly release in this repo. To download the SAM 2 (Hiera-T) checkpoint:

from huggingface_hub import hf_hub_download
hf_hub_download(repo_id = "facebook/sam2-hiera-tiny", filename="sam2_hiera_tiny.pt", local_dir = "./")
Citation#

To cite the paper, model, or software, please use the below:

@article{ravi2024sam2,
  title={SAM 2: Segment Anything in Images and Videos},
  author={Ravi, Nikhila and Gabeur, Valentin and Hu, Yuan-Ting and Hu, Ronghang and Ryali, Chaitanya and Ma, Tengyu and Khedr, Haitham and R{\"a}dle, Roman and Rolland, Chloe and Gustafson, Laura and Mintun, Eric and Pan, Junting and Alwala, Kalyan Vasudev and Carion, Nicolas and Wu, Chao-Yuan and Girshick, Ross and Doll{\'a}r, Piotr and Feichtenhofer, Christoph},
  journal={arXiv preprint arXiv:2408.00714},
  url={https://arxiv.org/abs/2408.00714},
  year={2024}
}

Files

4 files · 156 MBWeights 156 MB (safetensors). Sizes and sha256 from the signed manifest.
Hide all 4 files with their sha256
FileSizesha256
.gitattributes1.52 KB11ad7efa24975ee4b0c3c3a38ed18737f0658a5f75a0a96787b576a78a023361
README.md1.21 KB463ff4c5e9cdc3f37b4063a354603ce80469ab7b56981e18dfe48f0f59299afb
config.json1.74 KBced0a852744a6fc5d554d8c53a1b35c4d2ec5fbb4acb41e86d2564f6f828fbea
model.safetensors156 MB6c7b5d0cf117a0b68bdf5941ed702f47c140c07b2224b8f382d47fa07d80a209
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
e6ccaf46dd pinned now2026-11-15 04:16 UTC4 files · 156 MB

Use it

$ fw get facebook/sam2-hiera-tiny-hf
# manifest sha256 9552f9571685… · 156 MB · 4 files
$ fw verify ./sam2-hiera-tiny-hf facebook/sam2-hiera-tiny-hf
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/facebook/sam2-hiera-tiny-hf.json --dir ./sam2-hiera-tiny-hf $ python3 fw.py verify ./sam2-hiera-tiny-hf ./facebook__sam2-hiera-tiny-hf.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download facebook/sam2-hiera-tiny-hf --revision e6ccaf46dd72dacb98108826ddef8b81b36d3b1e --local-dir ./sam2-hiera-tiny-hf
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
463ff4c5e9cdc3f37b4063a354603ce80469ab7b56981e18dfe48f0f59299afb
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: facebook <huggingface.co/facebook>Newsgroups: alt.freeweights.textSubject: sam2-hiera-tiny-hfDate: 2026-11-15Commit: e6ccaf4Signed: 2DC28CC7B26A283B ✓
Upstream
facebook/sam2-hiera-tiny-hf
Pinned commit
e6ccaf46dd72dacb98108826ddef8b81b36d3b1e
Manifest
sam2-hiera-tiny-hf.json · .minisig
Manifest sha256
9552f957168512f5e4a9e605096bfca009d7e0d77f711b8be2b2cfd5f0ff67bf
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 04:16 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/facebook/sam2-hiera-tiny-hf.json $ curl -O https://freeweights.allternit.com/manifests/facebook/sam2-hiera-tiny-hf.json.minisig $ minisign -Vm sam2-hiera-tiny-hf.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

No related models in this catalog.Nothing here lists this model as its parent, and it names no parent.
Get it
Download
$ HF_ENDPOINT=https://freeweights.allternit.com hf download facebook/sam2-hiera-tiny-hf
Open in Freeweights Studio

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

Signed manifest
minisign, key 2DC28CC7B26A283B. sam2-hiera-tiny-hf.json. Provenance. Takedown history: none.
Source
huggingface.co/facebook/sam2-hiera-tiny-hf

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