GPT-5.6 Pro beats Codex on critique and repair, says Will Depue
willdepue · x · 2026-07-24
Will Depue says GPT-5.6 Pro is substantially smarter than GPT-5.6 in Codex.
- He says Pro is especially good at critiquing and fixing the dumb ideas and implementations that Codex produces.
- The current workflow feels awkward: ask Codex to write a research report, paste it into Pro, then copy improved instructions back.
- His point is that there should be a better integrated way to move from agent-generated drafts to higher-quality critique and repair.
Related event: Users Report GPT-5.6 Pro Outperforms Codex in Coding(3 posts)→
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