Factual hallucination gaps are discrepancies between a model's static memory and ground truth, pinpointed by tools like the Fact & Gap Checker and Veracity Engine to detect whether an LLM misrepresents, distorts, or completely omits verifiable brand facts.
flowchart LR
A[Brand Fact Source] -->|Grounded Search| B[Observed Truth]
C[LLM Parametric Memory] -->|Zero-Shot Recall| D[Generated Statement]
B --> E{Fact and Gap Checker}
D --> E
E -->|Matches| F[Confirmed Truth]
E -->|Contradicts| G[Hallucination or Distortion]
E -->|Missing in Memory| H[Information Gap]