HELM EWoK - Material Properties: leaderboard

HELM EWoK (Elements of World Knowledge) material 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 3.5 Sonnet (20240620)93.95#299
2GPT-4o (2024-05-13)91.94#325
3GPT-4 Turbo91.53#404
4Qwen 2 72B Instruct91.53#576
5Claude 3 Opus (20240229)91.53#412
6Mixtral 8x22B Instruct90.32#728
7Claude 3 Sonnet (20240229)89.11#677
8GPT-4o Mini (2024-07-18)88.71#558
9Claude 3.5 Haiku (20241022)86.29#588
10Mixtral 8x7B Instruct85.08#1170
11Llama 3 70B Instruct83.06#634
12Claude 3 Haiku (20240307)81.45#771
13Mistral 7B Instruct (v0.3)79.03#1274
14GPT-3.5 Turbo (0125)76.61#984
15Llama 3 8B Instruct17.74#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-material-properties · How It Works · Data refreshed daily, snapshot 2026-10-20.