Why this dev moved to Opus 5.5 but keeps GPT-6 for one irreplaceable job

DryExchange8709 · reddit · 2026-10-12

A developer moved most daily work from GPT-6 to Opus 5.5 and shared his multi-model stack:

Why Opus stayed

Where GPT-6 still wins: computer use. He makes fixed-format slide decks for traditional management that can't be one-shotted — GPT-6 clicks through and verifies layouts.

The rest of the stack: Codex for exploring open-source repos, plus a local model plugged into Codex for dumb grunt work (fast and free).

Net result: one AI became three, each with a distinct role.

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