MafiaBench: leaderboard

MafiaBench (April 2025) Elo rating from a 15-round Swiss tournament of eight-player Mafia games with two mafia and six townspeople and no special roles; one model plays every mafia seat and another every town seat, 10 games per pairing, five on each side. Higher is better.

Metric: Elo rating. Source: www.mafiabench.org. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 1.5 Pro1627#454
2Gemini 2.0 Flash (001)1561#365
3Claude 3.5 Sonnet1421#362
4Claude 3.7 Sonnet1349#259
5GPT-4o Mini1302#598

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

Interactive version: theaggregate.ai/benchmark?slug=mafiabench · How It Works · Data refreshed daily, snapshot 2026-11-05.