🟦 SAM 3 / SAM 3.1 — Image / Video / Panorama / Multi-Class Segmentation

Upload an image or video, pick a model version, type up to 5 comma-separated classes, hit Run. Panoramas (very wide images) are auto-tiled. Multiple classes are merged into one overlay with a legend.

Model version
SAM 3.1 = faster multi-object video tracking (Object Multiplex). Toggle to SAM 3 for the original.