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A Reddit user has sparked debate online, questioning the apparent slowdown in the development of advanced GPT models. In a post on the r/artificial forum, /u/datascientist933633 expresses frustration with the progress, particularly in relation to GPT-5, which they claim performs worse than previous iterations like GPT-4o. The user’s post, titled “What’s taking them so long to develop AI?”, underscores growing concerns and highlights the intricate obstacles facing researchers as they strive to advance the capabilities of artificial intelligence. The discussion points to potential challenges in scaling existing models and achieving further breakthroughs in AI performance.