HELM EWoK - Agent Properties: leaderboard

HELM EWoK (Elements of World Knowledge) agent properties slice — a minimal-pair task testing whether a model prefers the plausible over the implausible world-model description (exact match).

Metric: EM. Source: crfm.stanford.edu. Saturation forecast: Estimated already saturated. 15 models tracked.

Top models

#ModelScoreOverall rank
1Claude 3 Opus (20240229)94.46#412
2Llama 3 70B Instruct92.68#634
3GPT-4 Turbo91.65#404
4Qwen 2 72B Instruct91.34#576
5Claude 3 Sonnet (20240229)90.18#677
6Claude 3.5 Sonnet (20240620)89.33#299
7GPT-4o (2024-05-13)87.95#325
8Mixtral 8x22B Instruct85.85#728
9Claude 3 Haiku (20240307)85.09#771
10GPT-4o Mini (2024-07-18)83.3#558
11Mixtral 8x7B Instruct79.46#1170
12Claude 3.5 Haiku (20241022)73.53#588
13GPT-3.5 Turbo (0125)73.44#984
14Mistral 7B Instruct (v0.3)72.72#1274
15Llama 3 8B Instruct22.37#1129

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=helm-ewok-agent-properties · How It Works · Data refreshed daily, snapshot 2026-10-20.