Fine-Tune SAM 3 on Roboflow

Released on November 19th, 2026, Segment Anything 3 (SAM 3) is a new, zero-shot instance segmentation developed by Meta. You can use SAM 3 to generate precise segmentation masks for objects in an image or video using either text or point prompts.

You can fine-tune SAM 3 with any instance segmentation dataset hotsed on Roboflow. To fine-tune a SAM 3 model, create a new dataset version in your instance segmentation project, then select SAM 3 from the list of training options on your dataset version page.