GroupTravelBench - Group Fairness: leaderboard

Metric: Group Fairness (%): 100 x the lowest over the highest per-user utility of the final itinerary (the released code scores 0 when utilities straddle zero and keeps every task within 0 to 100), averaged over all 650 tasks, on GroupTravelBench, multi-user multi-turn group travel planning in a group-chat sandbox with 10 cached travel tools (DeepSeek-V4-Flash user simulator at temperature 0, agent temperature 0.7, mean of 3 trials per task); GPT-5.1 in instruct mode, the other models with reasoning enabled; higher is better. Source: arxiv.org. Saturation forecast: Around 2030. 9 models tracked.

Top models

#ModelScore
1Qwen 3.6 Max (Preview) (Thinking)52.1
2GPT-5.1 (Non-reasoning)48.1
3Qwen 3.5 Plus (Thinking)44.9
4Qwen 3.5 Flash (Thinking)41.9
5Qwen 3 4B Instruct41.7

Interactive version: theaggregate.ai/benchmark?slug=grouptravelbench-group-fairness · How It Works · Data refreshed daily, snapshot 2026-10-07.