ComfyUI Node: SAM3 Point Segmentation

Authored by PozzettiAndrea

Created

Updated

557 stars

Run ComfyUI workflows without the setup

No installs, no CUDA version roulette, no GPU sitting idle on your bill. Bring a workflow and run it in the browser.

Category

SAM3

Inputs

sam3_model SAM3_MODEL
image IMAGE
positive_points SAM3_POINTS_PROMPT
negative_points SAM3_POINTS_PROMPT
box SAM3_BOXES_PROMPT
refinement_iterations INT
use_multimask BOOLEAN
output_best_mask BOOLEAN
offload_model BOOLEAN

Outputs

MASK

MASK

IMAGE

STRING

STRING

Extension: ComfyUI-SAM3

ComfyUI integration for Meta's SAM3 model enabling open-vocabulary image segmentation using natural language text prompts, with automatic model download, geometric refinement, and flexible confidence thresholds.

Authored by PozzettiAndrea

View Nodes

Looking for a different node?

Also provided by 1 other extension

  • SAM3 Segmentation — ComfyUI SAM3
    SAM3

    SAM3 Segmentation Node Performs image segmentation using SAM3 (Segment Anything Model 3) with text prompts. Takes an image and a text prompt, and outputs a visualization with segmentation masks, bounding boxes, and confidence scores.

More nodes in ComfyUI-SAM3

Other SAM3 nodes

Run ComfyUI workflows without the setup

No installs, no CUDA version roulette, no GPU sitting idle on your bill. Bring a workflow and run it in the browser.

Learn more