Unverified50% confidenceBenchmarkExact time
One-third of the questions had no answer in the documents, and all models answered 'not found' for these unanswerable questions across all document scales, with none fabricating an answer.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/12/2026
First Seen
Valid until: 1/10/2027
Sources
Related Claims
UnverifiedThe answers to multi-hop reasoning queries cannot be derived directly from a single passage but require chained inference across two or more document segments, making standard single-round retrieval largely unsuccessful for such queries.69% similarUnverifiedWhen validation fails, the system automatically retries, and when no answer can be found from the source material, it responds with "I don't know" rather than fabricating an answer.65% similarUnverifiedGlobal queries can answer inductive questions requiring a macro perspective (such as the main themes across an entire document set), a scenario that pure vector retrieval is almost incapable of handling.65% similarUnverifiedQ&A mode (Ask) only answers questions without performing operations, but can read local files and consumes the fewest credits.64% similar
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