Ethan Mollick says Opus 5 and Codex voice mode forced a same-day model guide update
emollick · x · 2026-07-27
Ethan Mollick says he had to revise the model-selection guide he wrote just a day earlier because Opus 5 and Codex voice mode both launched on Friday.
His point is less about the specific models and more about the pace: even people who follow the space closely are already struggling to keep recommendations current.
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