Centaur.ai provides data annotation and model evaluation for AI teams. Its workflow can bring together human specialists and AI models to label the same data, then combine their submissions using performance-based weighting and ground-truth calibration. The service supports work across image, video, text, audio, waveforms, and DICOM data. Customers can use Centaur to build datasets, benchmark models, run private annotation contests, or source data, with results delivered in formats including API, JSON, CSV, and DICOM.