Expired50% confidenceFactExact time
Research shows that on certain open-source benchmarks, the n-gram overlap rate between the training data of leading large models and the evaluation data can be as high as 15%–30%.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/10/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/8/2026(expired)
Sources
LLM Evaluation: The Testing Industry's Scarcest Career Pivot and the Timing to Enter
bilibili宇宙Ai测试7/6/2026
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