> SWE-bench performance is similar to normal gpt-5, so it seems the main delta with `gpt-5-codex` is on code refactors

SWE-bench is a great eval, but it's very narrow. Two models can have the same SWE-bench scores but very different user experiences.

Here's a nice thread on X about the things that SWE-bench doesn't measure:

https://x.com/brhydon/status/1953648884309536958