The language of a question changes which sources AI cites
The same 24 questions, asked in English and in Vietnamese, drew on largely different sources. Four AI assistants also shared few sources with each other.
Findings
What we found.
Each finding states what was tested, when, in which languages and on which assistants. It also says what the finding does not show. Findings are added when a measurement is complete, not on a schedule.
How the assistants we test changed in 2026
Changes to the AI products themselves that alter what a measurement can mean.