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The Polylog AI Intelligence Brief

Morning Edition · Saturday, June 27, 2026

Meta Updates SAM 3 to 3.1, Targeting Faster Real-Time Video Tracking

The update adds multiplexing and global reasoning to Meta's open promptable-segmentation model, which detects, segments, and tracks open-vocabulary concepts from text and visual prompts.

Meta Updates SAM 3 to 3.1, Targeting Faster Real-Time Video Tracking

Meta has updated its Segment Anything Model 3 (SAM) line with SAM 3.1, described as faster and more accessible real-time video detection and tracking that uses multiplexing and global reasoning. The base SAM 3, released in November 2025, is…

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Part of a tracked trend

Open-Vocabulary, Promptable Vision Foundation Models

Vision foundation models shift to text-promptable, open-vocabulary detection, segmentation, and real-time tracking of arbitrary concepts, generalizing perception beyond fixed label sets across images and video and pushing open perception models toward production use.