GPT-4o

1 painsavg 4.0/10

performance 1

GPT-5 performance degradation on simple tasks

GPT-5 can feel slower than GPT-4o for simpler, everyday queries and coding tasks. Community backlash occurred regarding performance degradation for simple coding tasks before OpenAI fine-tuned model routing.

performanceGPT-5GPT-4oOpenAI API