Creative Human Data

Private preference datasets created by vetted professionals who label, rank and evaluate AI outputs — the training data that teaches models what good actually looks like.

Powered by Contra's network of 1.5M+ creative experts

Real-world creative professionals on Contra are earning 26x more per project than on other online marketplaces.

  • Designers
  • Writers
  • Marketers
  • Engineers
  • Social Media Experts
  • Video Editors & Animators
  • Music & Audio Engineers

  • 1.5M+

    creative experts

  • 400+

    Skills and tools represented

  • $250M+

    verified expert earnings

Built on real-world creative expertise

Fine-tune for style, tone and taste

We evaluate text, images, video, audio, user flows and multi-modal creative outputs. Reviewers give feedback on clarity, tone, emotion, storytelling and overall creative quality.

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