New tests show ChatGPT-5 is more accurate than GPT-4o – Grok still struggles with hallucinations
ChatGPT-5 scores a low 1.4% on the Hallucination Leaderboard This puts it ahead of ChatGPT-4 which scores 1.8% and GPT-4o, which scores 1.49% Grok 4 is much higher at 4.8%,…