---
title: sam3.1
canonical_url: "https://www.modelscope.ai/models/Comfy-Org/sam3.1"
md_url: "https://www.modelscope.ai/models/Comfy-Org/sam3.1.md"
repository: Comfy-Org/sam3.1
last_updated: 2026-08-18
license: other
base_model:
  - facebook/sam3.1
base_model_relation: finetune
parameters: 872.7M
tensor_type:
  - F16
library_name:
  - safetensors
  - pytorch
frameworks:
  - pytorch
downloads: 524
stars: 1
tags:
  - comfyui
  - diffusion-single-file
---

# sam3.1

> sam3.1 - An open-source model by Comfy-Org on ModelScope. Repackaged model files for ComfyUI.

Comfy-Org/sam3.1 is a 872.7M-parameter machine learning model on ModelScope. licensed under other. derived from facebook/sam3.1.

- **Repository**: Comfy-Org/sam3.1
- **License**: other
- **Parameters**: 872.7M
- **Base model**: facebook/sam3.1
- **Tags**: comfyui, diffusion-single-file
- **Downloads**: 524
- **Stars**: 1
- **Last updated**: 2026-08-18

Source: https://www.modelscope.ai/models/Comfy-Org/sam3.1

---

# SAM 3.1 

Repackaged model files for ComfyUI.

Original model repository: https://huggingface.co/facebook/sam3.1

Place the files in the following folders:

```
📂 ComfyUI/
├── 📂 models/
│   ├── 📂 checkpoints/
│   │   └── sam3.1_multiplex_fp16.safetensors
```