Or do you mean line-editors? They have gotten impressively good. See rustyline (based on linenoise) and reedline (not a typo; developed by the Nushell team) for example. Way better than one might expect!
[1]: https://github.com/kkawakam/rustyline
(given that IQuestLab published their SWE-Bench Verified trajectory data, I want to be charitable and assume genuine oversight rather than "benchmaxxing", probably an easy to miss thing if you are new to benchmarking)
https://www.reddit.com/r/LocalLLaMA/comments/1q1ura1/iquestl...
Gemini 3 Flash scored +13 in the test, more correct answers than incorrect.