Scale AI

What it does

Scale provides the human-data backbone of modern AI: training data labelling, model evaluation, red-teaming and RLHF services for the largest labs and enterprises. Frontier-model quality is downstream of vendors like this.

Engagements are enterprise contracts with dedicated teams. For AI-first products needing trusted evaluation at volume, it is the reference vendor.

Standout features

• Data labelling across modalities
• Model evaluation and red-teaming
• RLHF and preference data
• Dedicated managed workforce

Best for