Data story · benchmark explainer

HellaSwag: scores, leaders and methodology

HellaSwag leaderboard data from the index. Commonsense sentence completion with adversarial wrong answers. The top score is 96.1 and the average is 81.4.

What the data shows

GPT-5.2 Max leads at 96.1. The gap to the average is 14.7 points, and the gap to the 10th-ranked model is 1.7 points.

The median score is 83.6. 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 HellaSwag

#ModelProviderScoreInput / 1MContext
1GPT-5.2 MaxOpenAI96.1$21.391,000,000
2GPT-5.2 TurboOpenAI95.5$20.731,000,000
3GPT-5.2 ProOpenAI95.3$21.322,000,000
4Claude Opus 4.5 ProAnthropic95.2$20.98200,000
5Claude Sonnet 4.5 ReasoningAnthropic95.2$19.48400,000
6Grok 4 ReasoningxAI95.2$19.672,000,000
7GPT-5.2 VisionOpenAI94.6$19.031,000,000
8Gemini 3 Pro TurboGoogle DeepMind94.6$19.62400,000
9GPT-5.1 ReasoningOpenAI94.4$20.27400,000
10o4 ProOpenAI94.4$19.371,000,000
11Grok 4 MaxxAI94.1$19.702,000,000
12Claude Sonnet 4.5 TurboAnthropic93.9$18.371,000,000
13Grok 4xAI93.9$17.90200,000
14Claude Opus 4.5 ReasoningAnthropic93.8$20.912,000,000
15GPT-5.1 ProOpenAI93.8$19.77200,000
16GPT-4.1 ProOpenAI93.7$17.56400,000
17Gemini 3 Pro ProGoogle DeepMind93.6$19.80200,000
18Gemini 3 Pro ReasoningGoogle DeepMind93.5$19.69200,000
19o3 MaxOpenAI93.4$17.822,000,000
20Claude Sonnet 4.5 MaxAnthropic93.1$19.901,000,000

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 HellaSwag: scores, leaders and methodology data show?

HellaSwag leaderboard data from the index. Commonsense sentence completion with adversarial wrong answers. The top score is 96.1 and the average is 81.4.

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.