Ask HN: What is "response-level error rate" and how is it measured?
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?
gpt 4.1 says it's sampled production prompts, rated by humans. Is that it?