Meta
sam2.1-hiera-tiny
SIZE39M
Computer vision
ImageDownloads120K/mo
–Likes30
Segmentation model from Meta, 39M parameters.
Open weightsApache 2.0410/1044
Meta · Vision line
SAM
2 stages over 13 months, from sam2.1-hiera-tiny in Sep 2024 to sam3 in Nov 2025.
Evolution chamber01 / 02
Ready to evolve
Every generation. A new possibility.
sam2.1-hiera-tiny · Sep 20242 stages, from sam2.1-hiera-tiny (Sep 2024) to sam3 (Nov 2025). Press Evolve to watch each step.
How it grew
Parameters
Downloadslast 30 days
Every stage
v2.1 Stage 1
Metasam2.1-hiera-tiny
SIZE39MComputer visionImageDownloads120K/mo–Likes30Segmentation model from Meta, 39M parameters.
Open weightsApache 2.0410/1044v3 Stage 2
Metasam3
SIZE860MComputer visionImageDownloads1.9M/mo–Likes4.7KSegmentation model from Meta, 860M parameters.
Open weightsCustom license699/1044