Dev Switches Back to Codex Due to Claude Code Quality Drop
andersonbcdefg · x · 2026-08-31
A developer reported that Claude Code (Opus 5) has seemingly become "dumber" recently, making silly mistakes like omitting logging in long-running jobs. Frustrated, they switched to Codex and found it to be faster, writing much better prose and great code.
Related event: Developers Ditch Claude Opus 5 for OpenAI Codex After Quality Decline(3 posts)→
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