Project AURIONAI Use-Cases Research & Innovation
Meta
vision

Sapiens2

Second generation of Meta human-centric vision foundation models.

MetaMetaUSA
Figure from the Sapiens2 paper: Sapiens2 for dense-prediction tasks.
Levelmodel
Classvision
Parameters1.46B
Contextnot in the notes
Released23 Apr 2026
Opennessopen weights restricted
Runs onnot in the notes
Statusactive

Lineage

successor
Sapiens to Sapiens2: successor, high confidenceSapiensSapiensMeta, Aug 2024Sapiens2Sapiens2Meta, Apr 2026
MetaSapiens is the parent (successor)high confidencenotes
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 2 models. Confidence and evidence are the notes' own.

R&D Topics

Human pose estimationproduced bySelf-supervised visual representation learningproduced byMonocular and stereo depth estimationproduced by

Identity

Developer
Meta
Family
not in the notes
Released
23 Apr 2026 sourcesannouncement page
Weights published
–
Record checked
12 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
dense transformer
Total parameters
1.46B sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
image
Output
not in the notes
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights restricted
Licence
not in the notes sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Benchmark Results

The notes record no benchmark result for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. arxiv.org/abs/2604.21681 https://arxiv.org/abs/2604.21681
  2. huggingface.co/facebook/sapiens2-pretrain-1b https://huggingface.co/facebook/sapiens2-pretrain-1b
  3. huggingface.co/api/models?pipeline_tag=keypoint-detection&so... https://huggingface.co/api/models?pipeline_tag=keypoint-detection&sort=downloads&limit=50

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Sapiens2", https://aurion.semai.id/models/meta-sapiens2/, records of October 2026.