AI labs report benchmark scores 6.4% higher than independent testers, on average
I've been building whatmodel.sh, an open source AI leaderboard, and wanted to see how a labs' own benchmark scores compare with independent testers.

Proof1 community thread
Key points
- Using 1,629 published benchmark results, I matched 611 comparisons of 180 models on 103 benchmarks.
- AI labs reported scores 6.4% higher on average for the same models on the same tests.
- Everything is open: the dataset is CC BY-SA 4.0 and the code is MIT.
- Sources and their licenses are recorded, with links on each model's page.
Sources (1)
- [1]AI labs report benchmark scores 6.4% higher than independent testers, on averager/LocalLLaMA (top, daily) · Oct 19, 09:47 AM
I've been building whatmodel.sh, an open source AI leaderboard, and wanted to see how a labs' own benchmark scores compare with independent testers.
Using 1,629 published benchmark results, I matched 611 comparisons of 180 models on 103 benchmarks.
Extractive summary: sentences quoted from the sources.
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