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Scale AI – Image Annotation

Paid

High‑quality, AI‑powered image annotation platform for building computer‑vision datasets.

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4.6 Editor Rating
Vetted Score
4.6 / 5.0

Earns a strong score due to its enterprise‑grade scalability, high accuracy guarantees, and seamless API integration.

Key Features
Scalable Annotation Pipeline

Automatically distributes labeling tasks across a global workforce and AI models to handle millions of images per day.

Human‑in‑the‑Loop Quality Assurance

Combines AI pre‑labeling with expert reviewers to ensure >99% accuracy for critical datasets.

Extensive Annotation Toolset

Supports bounding boxes, polygons, keypoints, segmentation masks, and custom label schemas.

Frequently Asked Questions

Pricing is usage‑based, starting at $0.10 per annotated image; volume discounts and custom enterprise contracts are available.

Supports common formats like JPEG, PNG, TIFF, and annotation outputs such as COCO JSON, Pascal VOC XML, and custom schema exports.

Yes, Scale AI provides RESTful APIs, SDKs, and webhooks for automated data ingestion, labeling, and retrieval within any ML workflow.
Specifications
Pricing Model Custom pricing based on annotation volume; starts at $0.10 per image with enterprise plans offering bulk discounts.
Supported Platforms
Web (Browser)REST API
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