Benchmark contamination

When test or benchmark data ends up in a model's training data, inflating its scores without improving real ability.

Contamination is why AI teams pay for private, unpublished evaluation sets.

Tell us what you need

Book a free 30-minute consultation. Tell us what data you want to buy or license, and we'll tell you honestly whether we can help and what it involves.

  • We reply to every enquiry within two working days.
  • No upfront fees for sellers
  • We never hold your raw data