HAS-Bench - Bargaining Task Score: leaderboard

Metric: Task score (%; mean partial credit over the task dimensions of the 27 bargaining tasks) under Equal Partnership (A3) human participation: the agent may ask a GPT-4.1-simulated human for clarification, feedback and control, temperature 0, one rollout per task; GPT-4.1 judge; higher is better. Source: arxiv.org. Saturation forecast: Around December 2026. 5 models tracked.

Top models

#ModelScore
1GPT-4.163.7
2DeepSeek V3 (0324)54.8
3GPT-4.1 Mini25.2
4Claude Sonnet 411.9
5Llama 3.1 8B3

Interactive version: theaggregate.ai/benchmark?slug=has-bench-bargaining-task-score · How It Works · Data refreshed daily, snapshot 2026-09-29.