OpenAI GPT-5 System Card — mentioned by camgunz

Wed, 08 Apr 2026 20:54:24 GMT

> I don't think the spirit of the original article (not your comments to be fair) captured this, hence the challenge. I believe we are on the same page here. No. GPT-5 has a 40% hallucination rate [0] on SimpleQA [1] without web searching. The SimpleQA questions meet your criteria of "2-3 pages of text content. Unless 5.4 + web searching erases that (I bet it doesn't!) these are bullshit machines. [0]: https://arxiv.org/pdf/2601.03267 [1]: https://github.com/openai/simple-evals

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OpenAI GPT-5 System Card · HackerPapers discussions

OpenAI GPT-5 System Card — mentioned by camgunz