Grounding
In short
When a model builds its answer on pages it searches on the web at that moment, not only on what it already knows.
Example
ChatGPT, with web search on, reading the current menu from the café's site and adding it to the answer.
Where you'll see it in AILens
The "web search on" note next to the engine label in results, and the method choice in the brand snapshot.
Answers without web search can carry outdated information; the two methods can give different results.
Often confused with
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