SAM 2.1 Hiera Small
SAM 2.1 Hiera Small is Meta's image generation model. A small-tier Segment Anything Model 2.1 using the Hiera backbone, balancing efficiency and accuracy for promptable image and video segmentation.
| Specifications | |
|---|---|
meta-sam-2-1-hiera-small | |
| Image Generation | |
| Active | |
| Meta | |
| Text | |
| Image | |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image✓
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| SAM 3 | — | — | — | — | Available |
| Segment Anything 3.1 | — | — | — | — | Available |
| SAM 2.1 Hiera Small | — | — | — | — | Current |
| SAM 2.1 Hiera Base Plus | — | — | — | — | Available |
| SAM 2.1 Hiera Large | — | — | — | — | Available |
| SAM 2.1 Hiera Tiny | — | — | — | — | Available |
| Segment Anything | — | — | — | — | Available |