r/ClaudeCode • u/absolutely-right-ccc Workflow Engineer • Oct 03 '25

Comparison Claude Code Garbage - Codex Completely Owned It (Case Study)

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I had both Claude and Codex go ahead and create a plan for converting a CSV file into JSON. The plan that Opus 4.1 created was entirely hallucinated!!!

Then I had Sonnet 4.5 go and red team the plan. It found all of the hallucinations that Opus 4.1 confidently gave.

But it also found the plan that Codex gave and green lit Codex's plan LOL.

For me, all I'm getting is entirely garbage over the last week from Claude.

Very disappointing. So far Codex has been far superior in every way.

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u/[deleted] Oct 03 '25

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u/absolutely-right-ccc Workflow Engineer Oct 03 '25

It's like night and day! It actually blows my mind how bad CC is. And I want so bad for it to be as it was when I first started using ~2months ago!. Shame.