HAS-Bench - Research Task Score: leaderboard

Metric: Task score (%; mean partial credit over the task dimensions of the 30 research 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-4.177.3
2GPT-4.1 Mini58
3DeepSeek V3 (0324)28.7
4Claude Sonnet 421.3
5Llama 3.1 8B2

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