---
title: sam3.1
canonical_url: "https://www.modelscope.cn/models/Comfy-Org/sam3.1"
md_url: "https://www.modelscope.cn/models/Comfy-Org/sam3.1.md"
repository: Comfy-Org/sam3.1
last_updated: 2026-09-23
license: other
base_model:
  - facebook/sam3.1
base_model_relation: finetune
parameters: 872.7M
tensor_type:
  - F16
library_name:
  - safetensors
  - pytorch
frameworks:
  - pytorch
downloads: 7866
stars: 7
tags:
  - comfyui
  - diffusion-single-file
---

# sam3.1

> sam3.1 - Comfy-Org 在 ModelScope 开源的模型。Repackaged model files for ComfyUI.

Comfy-Org/sam3.1 是 ModelScope 魔搭社区上的 872.7M 参数机器学习模型，采用 other 许可，基于 facebook/sam3.1 构建。

- **Repository**: Comfy-Org/sam3.1
- **License**: other
- **Parameters**: 872.7M
- **Base model**: facebook/sam3.1
- **Tags**: comfyui, diffusion-single-file
- **Downloads**: 7866
- **Stars**: 7
- **Last updated**: 2026-09-23

Source: https://www.modelscope.cn/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
```

## Workflows

<table>
<thead>
<tr><th align="center" valign="middle" style="text-align:center;vertical-align:middle">Workflow</th><th colspan="2" align="center" valign="middle" style="text-align:center;vertical-align:middle">Thumb</th></tr>
</thead>
<tbody>
<tr><td align="center" valign="middle" style="text-align:center;vertical-align:middle"><a href="https://github.com/Comfy-Org/workflow_templates/blob/main/templates/utility_image_segment_sam3.json">Image Segmentation: SAM3</a></td><td colspan="2" align="center" valign="middle" style="text-align:center;vertical-align:middle"><a href="https://github.com/Comfy-Org/workflow_templates/blob/main/templates/utility_image_segment_sam3.json"><img src="https://raw.githubusercontent.com/Comfy-Org/workflow_templates/main/templates/utility_image_segment_sam3-1.webp" width="200" height="200" alt="Image Segmentation: SAM3"></a></td></tr>
<tr><td align="center" valign="middle" style="text-align:center;vertical-align:middle"><a href="https://github.com/Comfy-Org/workflow_templates/blob/main/templates/utility_video_segment_sam3.json">Video Segmentation: SAM3</a></td><td colspan="2" align="center" valign="middle" style="text-align:center;vertical-align:middle"><a href="https://github.com/Comfy-Org/workflow_templates/blob/main/templates/utility_video_segment_sam3.json"><img src="https://raw.githubusercontent.com/Comfy-Org/workflow_templates/main/templates/utility_video_segment_sam3-1.webp" width="200" height="200" alt="Video Segmentation: SAM3"></a></td></tr>
</tbody>
</table>