knowledge benchmark
OmniScience variant that reports the non-hallucination rate, defined as one minus the hallucination rate.
Updated Aug 11, 2026
Higher score ranks better on this benchmark.
| 01 | XA | 46.0% | 100.0% | 1 | B |
The leading models and scores on this benchmark.
What OmniScience (non-hallucination rate) measures and how its scores work.
OmniScience variant that reports the non-hallucination rate, defined as one minus the hallucination rate.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
Benchmark scores retain their original unit. Overall score eligibility is shown separately.
Common questions about OmniScience (non-hallucination rate).
Grok 4.5 is currently ranked first with 46.0%.
OmniScience variant that reports the non-hallucination rate, defined as one minus the hallucination rate.
Yes. Higher values rank better for this benchmark.
1 model results are currently shown.
No. This benchmark is shown for reference but does not contribute to the overall score.