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Data Annotation Tools

Bounding Boxes Annotation

Efficiently detect and define the location of your target objects.

25% of Fortune 50 companies trust Sama to help them deliver industry-leading ML models

Highly Flexible Tool

Our bounding box annotations meet your unique instructions and requirements when it comes to occlusion, truncation and overlapping.

Efficient Annotation Platform

Crosshair lines allow our expert annotators to accurately place bounding box points at the extreme edges of an object with just two clicks, boosting the annotation efficiency.

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Full Spectrum Labeling

Custom classes, multiple attributes per instance, and hierarchical relationships are available to meet your needs.

Bounding Box Annotation Use Cases


Data accuracy — guaranteed when you boost your projects — compared to 88.5% for leading competitors.


Events tracked per month to improve our product and processes with A/B testing.


Lives impacted to date thanks to our purpose-driven business model.

High-Quality Training Data From
Start to Scale.