Everyone is Missing GPT-4o: Why People Prefer it to GPT-5

TL;DR. GPT-5 promised fewer hallucinations, a thinking mode, and adaptive routing. Launch issues made it slower than GPT-4o, models were removed without warning, and developer tooling regressed, with coding tasks taking 4 to 7 times longer. Teams missed GPT-4o because it felt faster, warmer, and more reliable. The takeaway is not to cling to GPT-4o. Build resilience. Use abstraction layers, multi-model fallbacks, and rollback plans so your systems survive provider volatility.

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