If every output is a hallucination, statements like "We’ve made significant advances in reducing hallucinations" from the GPT-5 system card would be nonsensical
LLMS
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Are LLM Factual Errors Hallucinations? A Definitional Question
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Follow-up question: does "there are three Bs in blueberry" count as a hallucination? (I expect these poll numbers will be much closer to each other)
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OpenAI Python Library v1.99.3 Release Notes
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These release notes from them made me chuckle https://
github.com/openai/openai-
python/releases/tag/v1.99.3
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AI CLI Tools Effectively Navigate Large Codebases
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I've been using it with the Codex CLI and it's extraordinarily effective at using grep and sed to navigate code a few hundred lines at a time, so in practice the overall context limit doesn't limit its ability to work with large codebases nearly as much as I expected
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AI Model Token Limits Input Output Specifications
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No, it has an input limit of 272,000 tokens and an output limit (which includes those invisible reasoning tokens) of 128,000 tokens
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Mixed Reactions to AI Model: Routing Issues and Inconsistent Performance
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At least on X and Reddit, the mood seems to be rather disgruntled and disappointed. Biggest problem: routing. It just works incredibly poorly. In my testing as well. You should manually enable reasoning as needed. Additionally: it's better than GPT-4o and o3 – but often not
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Exploring GPT-5 Usage and Applications
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GPT-5 is the most powerful AI model in the world. OpenAI charges $200 a month to use it. Lovable is giving a select few free access for a limited time. Here are 5 insane apps I built using it:
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GPT-5 Outperforms Claude Code in Early Codex CLI Tests
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Premiers retours. GPT-5 est vraiment excellent pour le code. Le modèle est très performant. D’après les premiers tests, Codex CLI avec GPT-5 remplacera probablement Claude Code comme outil de codage quotidien.
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Router overconfidence limits question routing to simpler models
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El problema es que el enrutador sobre-confía en la dificultad de las preguntas, tirándolas al modelo más simple y fallando. En esta pregunta no ha querido razonar y GPT-5 se ha equivocado. Pero si se la mando directamente al GPT-5 Thinking, sólo pensando 10 segundo, acierta.
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OpenAI Deploys GPT-5 Despite EU AI Act Regulations
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Ursula von der Leyen ne doit pas être très contente. OpenAI implémente GPT-5 malgré l’AI Act, à la surprise générale. L’Europe est le deuxième marché pour OpenAI, autant dire que c’est vital pour eux. C’est sans doute un choix réfléchi. Deux possibilités : – Soit Altman a