legal benchmark
TruthfulQA
TruthfulQA is a benchmark to measure whether language models are truthful in generating answers to questions. It comprises 817 questions that span 38 categories, including health, law, finance and politics. The questions are crafted such that some humans would answer falsely due to a false belief or misconception, testing models' ability to avoid generating false answers learned from human texts.
Updated Aug 11, 2026
Models18
Model coverage18
MetricScore
EvidenceB
TruthfulQA Ranking
Higher score ranks better on this benchmark.
| 1 | MI | 88.0% | 100.0% | 18 | C | |
| 2 | MI | 77.5% | 94.1% | 18 | C | |
| 3 | IB | 66.9% | 88.2% | 18 | C | |
| 4 | MI | 66.4% | 82.3% | 18 | C | |
| 5 | MI | 64.0% | 76.5% | 18 | C | |
| 6 | NR | 63.3% | 70.6% | 18 | C | |
| 7 | NV | 58.6% | 64.7% | 18 | C | |
| 8 | AC | 58.4% | 58.8% | 18 | C | |
| 9 | AL | 58.3% | 52.9% | 18 | C | |
| 10 | IB | 58.1% | 47.1% | 18 | C | |
| 11 | AC | 57.8% | 41.2% | 18 | C | |
| 12 | CO | 56.3% | 35.3% | 18 | C | |
| 13 | AC | 54.8% | 29.4% | 18 | C | |
| 14 | AC | 54.2% | 23.5% | 18 | C | |
| 15 | AL | 54.1% | 17.6% | 18 | C | |
| 16 | IB | 52.1% | 11.8% | 18 | C | |
| 17 | AC | 50.6% | 5.9% | 18 | C | |
| 18 | MA | 50.3% | 0.0% | 18 | C |
TruthfulQA Score Distribution
A closer view of the leading scores on this benchmark.
TruthfulQA Highlights
The leading models and scores on this benchmark.
What is TruthfulQA?
What TruthfulQA measures and how its scores work.
TruthfulQA is a benchmark to measure whether language models are truthful in generating answers to questions. It comprises 817 questions that span 38 categories, including health, law, finance and politics. The questions are crafted such that some humans would answer falsely due to a false belief or misconception, testing models' ability to avoid generating false answers learned from human texts.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
- Family
- TruthfulQA
- Modality
- text
- Primary category
- legal
- Score direction
- higher
- LLMBoard eligible
- Yes
- Evaluation key
- truthfulqa|llm-stats-current
Benchmark scores retain their original unit. Overall score eligibility is shown separately.
FAQ
Common questions about TruthfulQA.
Which model scores highest on TruthfulQA?
MAI-Thinking-1 is currently ranked first with 88.0%.
What does TruthfulQA measure?
TruthfulQA is a benchmark to measure whether language models are truthful in generating answers to questions. It comprises 817 questions that span 38 categories, including health, law, finance and politics. The questions are crafted such that some humans would answer falsely due to a false belief or misconception, testing models' ability to avoid generating false answers learned from human texts.
Is a higher score better?
Yes. Higher values rank better for this benchmark.
How many models are compared?
18 model results are currently shown.
Does this benchmark affect the overall score?
Yes. This benchmark can contribute to the current LLMBoard capability score.