Has anyone else had a really bad experience with Codex for coding? I’m using GPT-5.4 xHigh I recently let it run on what was honestly a pretty simple issue. It went on for about 1.5 days (I just let it keep trying), and still couldn’t fix it. If a dev had stepped in, it probably would’ve been resolved in a couple of hours max. Eventually I gave up and tried Opus, same issue plus a couple of other problems, and all of them were solved in like 3 prompts. I’m trying to understand what’s going wrong with Codex. At first I thought it might be context overload since I was using the same chat session for a few days, and it had auto-compacted multiple times. But even in fresh sessions, it still struggles a lot. With Opus, I just give clear instructions and usually get a working feature within an hour. With Codex, it’s a lot of back-and-forth, and even simple tasks can take hours or sometimes days. Not sure if it’s just me or if others are seeing the same thing. submitted by /u/Own_Chocolate_5915
Originally posted by u/Own_Chocolate_5915 on r/ClaudeCode
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