Provider pricing

Labelbox AI API pricing

Labelbox combines a data-labeling platform with Alignerr, its on-demand expert workforce for RLHF, SFT, and frontier-model evaluation. Used by labs and enterprises to build training and eval datasets, priced per labeled asset plus seat fees.

Founded2018
HeadquartersSan Francisco, CA
Tracked modelsDirectory

Best for

Labs and enterprises building RLHF, SFT, and eval datasets at scale.

Strengths

  • Alignerr: 100K+ expert annotators for RLHF/SFT
  • Model-assisted labeling reduces cost 5-10x
  • Supports text, image, video, audio, and 3D
  • Used by leading frontier-model labs