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OWLv2

Open-vocabulary detection trained with self-labelling.

currentGoogle ↗Verified 2026-08-13

Zero shot

text or image query

Specifications

COCO mAP~45 zero-shot
SpeedModerate
LicenceApache 2.0
FamilyOpen vocabulary
Open vocabularyYes
Released2023

Official links

Google official site

What matters

  • Accepts an image as the query, not just text

Best for querying by example image.

Compare with

All 5 side by side →

OWLv2 vs RF-DETR →OWLv2 vs YOLO26 →OWLv2 vs YOLOv12 →OWLv2 vs RTMDet →OWLv2 vs Grounding DINO →

Also in Object Detection

RF-DETR · RoboflowYOLO26 · UltralyticsYOLOv12 · UltralyticsRTMDet · OpenMMLabGrounding DINO · IDEA Research