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Apple integrates GPT-4o across Siri and system writing tools

Apple announced systemwide ChatGPT integration powered by GPT-4o for Siri and writing tools, with no account required, user confirmation before sharing requests and rollout across iPhone, iPad and Mac.

CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM73confidence 99/100

Why it moved the index

Embedding a frontier multimodal model into mass-market operating-system workflows materially expanded reach and normalized model-mediated action across a very large installed device base.

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Assessment history

  1. R1
    Toward 73 · confidence 99

    New June 2024 mass consumer operating-system deployment of the existing GPT-4o model.

    12 Aug 2026