Knowledge baseSourcesClement Schneider

ChatGPT-5 search architecture

Author Clement Schneider Date 2026-01-02 Model state GPT-5.2, January 2026 Open source →

Key findings

Summary of the fields visible at the time and the fan-out sizes.

Checked against our data

State of January 2026, outdated in the field names; the fan-out ceiling is higher by now.

ClaimStatusEvidence
Fan-out typically 2-4, at most 5 sub-queriesoutdated2-7 for us (2026-08-22).
Fields sonic_classifier_3cls_ev3, debug_sonic_thread_id, freshness_scoring_profileoutdatedNo longer in the conversation object.

Related

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