TravelEval - Headcount Deviation: leaderboard
Metric: Personnel Deviation (PD): summed absolute deviation of beds, vehicle seats and tickets from the party size, over the party size (ratio, 0 is exact); Direct prompting (one pass, no tools), plans simulated in the TravelEval sandbox of 10 Chinese cities (real rail, flight, hotel and attraction data, queuing-time model, road-network distances) over 1,150 queries; lower is better. Source: arxiv.org. Saturation forecast: Around January 2027. 7 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Sonnet 4.5 | 0.3 |
| 2 | Qwen 3 8B | 0.6 |
| 3 | DeepSeek V3.1 (Non-reasoning) | 0.62 |
| 4 | Gemini 2.0 Flash | 0.64 |
| 5 | GPT-4o Mini (2024-07-18) | 0.65 |
| 6 | GPT-5 Chat | 0.71 |
| 7 | GPT-4o (2024-11-20) | 0.74 |
Interactive version: theaggregate.ai/benchmark?slug=traveleval-headcount-deviation · How It Works · Data refreshed daily, snapshot 2026-09-29.