Appen

What is Appen?

Appen provides the high-quality human-annotated data that powers AI models across the world's leading technology companies. The platform connects businesses with a global crowd of over one million annotators who label images, transcribe audio, annotate text, evaluate AI outputs, and create training datasets. Appen supports computer vision, NLP, speech recognition, and RLHF (reinforcement learning from human feedback) workflows. Their AI-assisted annotation tools accelerate labeling while maintaining quality. Used by 8 of the top 10 AI companies globally, Appen is critical infrastructure for anyone training or fine-tuning AI models.

Key Features

Frequently Asked Questions