I might as well be hallucinating but my personal experience is that GPT-4 got sucessively worse than what it was at launch date at least for general things. Now

I might as well be hallucinating but my personal experience is that GPT-4 got sucessively worse than what it was at launch date at least for general things. Nowadays it just refuse to answer a lot of things and lost the ability to do holistic "reasoning" (bridging knowledge from different areas).