frontpage.

There's this chart around gpt-5's hallu and error rates:

https://api.wandb.ai/files/byyoung3/images/projects/37269171/0da61431.png

from:

https://wandb.ai/byyoung3/ml-news/reports/GPT-5-Benchmark-Scores---VmlldzoxMzkwMTYyMg

I'm wondering what "response-level error rate" is exactly and it is measured?

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Ask HN: What is "response-level error rate" and how is it measured?