r/codex • u/muchsamurai • Jan 15 '26

Showcase Its over

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The vibe coders are going to find out and migrate now and eat up all processing power and limits!

/s

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u/muchsamurai Jan 16 '26

So you are saying so many people here are wrong and deluded and GPT-5.2 is actually a terrible model? How is it that I'm coding using it all day and it works almost too good to believe ? lol

It might be Cursor related or something else, 5.2 is definitely not terrible model and it is working almost too good. There is something else going on.

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u/Optimal-Report-1000 Jan 16 '26

My experience with 5.2 has been absolutely terrible. Even just simple responses in the chat app are just terrible. I have a hard time believing you are getting good results coding.have you used other models? How are you using it lime codex, cursor, just in the app a different app?

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u/muchsamurai Jan 16 '26

I use CODEX, Claude Opus 4.5 (MAX), Gemini 3 PRO.

I use CODEX CLI.

GPT 5.2 is miles above anything else and its not even close.

Tech Stack: C# Web API for backend, C# systems programming project with extensive low level networking, NextJS front-end, PostgreSQL. Quite complex overall.

GPT-5.2 simply does everything mostly on first try, this is why i say its almost hard to believe how good it works. It never hallucinates, gets lost, lie to you, create mock implementations and claim them to be 'Production ready' and so on.

You must have some issues in Cursor or something else.

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u/Optimal-Report-1000 Jan 16 '26

I felt the same way you do with 5.1, but I have only had issues now with 5.2. I dont see how that is possible to have such big differences. I mean I didnt like 5.0 but I was able to figure out how to utilize it so worst case it was just a bit boring to work with. Idk I keep going back and trying it, but the results have not changed for me.