Data story · benchmark explainer

TruthfulQA: scores, leaders and methodology

TruthfulQA leaderboard data from the index. Questions designed to elicit common misconceptions and false beliefs. The top score is 91.1 and the average is 73.6.

What the data shows

GPT-5.1 Max leads at 91.1. The gap to the average is 17.5 points, and the gap to the 10th-ranked model is 1.9 points.

The median score is 76.3. Models above that line are in the upper half of the index for this benchmark.

How to read the ranking

  • Use the score to shortlist, not to declare a winner.
  • Check price and context for the top candidates.
  • Read the benchmark methodology before quoting a score.
  • Pair this benchmark with a task-specific evaluation.

Top 20 on TruthfulQA

#ModelProviderScoreInput / 1MContext
1GPT-5.1 MaxOpenAI91.1$20.502,000,000
2Gemini 3 Pro ReasoningGoogle DeepMind90.3$19.69200,000
3GPT-5.1 ReasoningOpenAI90.0$20.27400,000
4GPT-5.2 ProOpenAI90.0$21.322,000,000
5GPT-5.2OpenAI89.7$19.712,000,000
6Gemini 3 Pro MaxGoogle DeepMind89.6$20.572,000,000
7Grok 4 ReasoningxAI89.4$19.672,000,000
8Qwen3-Max MaxAlibaba Cloud89.3$18.53400,000
9GPT-5.1OpenAI89.2$19.012,000,000
10GPT-5.1 TurboOpenAI89.2$19.192,000,000
11Claude Opus 4.5 ReasoningAnthropic89.0$20.912,000,000
12o4 ReasoningOpenAI89.0$19.691,000,000
13Gemini 3 ProGoogle DeepMind88.8$18.242,000,000
14Grok 4 TurboxAI88.8$19.211,000,000
15Qwen3-Max ReasoningAlibaba Cloud88.8$18.122,000,000
16o4 TurboOpenAI88.8$19.342,000,000
17Qwen3-Max ProAlibaba Cloud88.6$18.87400,000
18o3 ProOpenAI88.4$17.89400,000
19GPT-5.2 ReasoningOpenAI88.2$20.981,000,000
20Claude Opus 4.5Anthropic88.1$19.42400,000

Methodology

This story uses the AI & LLM Index dataset: 600 models, 40 providers and 12 benchmarks. Prices are listed per million tokens. Scores are modelled estimates on a 0–100 scale and are not official benchmark results. Figures are rounded for readability.

Related

FAQ

What does the TruthfulQA: scores, leaders and methodology data show?

TruthfulQA leaderboard data from the index. Questions designed to elicit common misconceptions and false beliefs. The top score is 91.1 and the average is 73.6.

Are the numbers official?

No. Prices and scores are compiled for this demo index. Benchmark values are modelled estimates, not official results. Verify figures with the provider or benchmark owner before making decisions.

How should I use this ranking?

Use it to form a shortlist. Check the specific model pages, compare price and context, and test the shortlist on your own examples before committing.