ChatGPT search now uses the site: operator at scale
Simon Willison · rss · 2026-08-21
Promptwatch data indicates that following the GPT-5.6 update, the usage of the site: operator in ChatGPT Search queries surged from 0.5% to 16-17%. This suggests a shift in search behavior to target specific domains. Later reports also show a reduction in Reddit sourcing, though system prompt changes remain unconfirmed.
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