Also: I tested GPT 5's coding skills, and it was so bad that I'm sticking with GPT 4o When Deep Research first appeared with the OpenAI o3 LLM, I was quite impressed with what it could understand from examining a code repository. I wanted to know how well it understood the project just from the available code. In this article, I'm examining how well the three GPT 5 variants do in examining that same code repository. We'll dig in and compare them. The results are...
