GPT-5.6 Pro impresses as a code reviewer and bug hunter, says one user

dejavucoder · x · 2026-07-29

The author says GPT-5.6 Pro feels like a code reviewer, bug hunter, and final boss for over-engineering.

They add that their impression could improve if OpenAI ships it in Codex, so the model can work through context agentically instead of relying on pasted snippets. They also say Fable 5 High shows sparks of genius when given enough context.

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