BehaviorBench - Beauty Contest Win Rate: 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 win rate (%) in the beauty contest game against recorded human players, where the model must guess closest to two thirds of the group average; higher is better.

Metric: Win rate (%) in the beauty contest game played against recorded human players: share of sessions in which the guess of the model is closer to two thirds of the group average than every human guess; higher is better. Source: arxiv.org. Saturation forecast: Not forecast. 18 models tracked.

Top models

#ModelScoreOverall rank
1Claude Sonnet 4.617#161
2GPT-4.117#495
3Claude Opus 4.615#102
4DeepSeek V3.214#406
5Gemini 3.1 Flash Lite (Preview)14#418
6Claude Haiku 4.513#568
7Gemini 3.1 Pro (Preview)12#94
8GPT-5.4 Mini (High)10#389 (GPT-5.4 Mini)
9Qwen 3 4B9#2281
10GPT-5.4 (High)8#123 (GPT-5.4)
11Llama 3.3 70B Instruct6#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-beauty-contest-win-rate · How It Works · Data refreshed daily, snapshot 2026-11-13.