BehaviorBench - Cross-Dimension Personality: leaderboard

BehaviorBench (University of Michigan, 2026) evaluates foundation models on behavioral science tasks at the individual and population levels, using economic-game records, Big Five personality surveys and research literature. This board is the mean absolute error of predicting one Big Five dimension score from the other four; lower is better.

Metric: Mean absolute error of the predicted score on one Big Five dimension from the other four dimension scores (Big Five personality dimension scores of held-out survey subjects); lower is better. Source: arxiv.org. Saturation forecast: Around June 2027. 18 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 4.66.7#102
2Gemini 3.1 Pro (Preview)6.8#94
3Gemini 3.1 Flash Lite (Preview)7.1#418
4Claude Sonnet 4.67.2#161
5GPT-4.17.2#495
6Claude Haiku 4.57.2#568
7GPT-5.4 (High)7.3#123 (GPT-5.4)
8GPT-5.4 Mini (High)7.4#389 (GPT-5.4 Mini)
9DeepSeek V3.27.5#406
10Qwen 3 4B7.6#2281
11Llama 3.3 70B Instruct8.3#1357

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=behaviorbench-cross-dimension-personality · How It Works · Data refreshed daily, snapshot 2026-11-13.