LexKairos: leaderboard
Metric: Mean score (%; average of the nine sub-task scores, accuracy or F1, over 3,800 Chinese legal temporal items from real judicial cases and statutes; vanilla setting, the model answers directly without extra reasoning steps (thinking disabled where the model allows it); temperature 0, 8,000 output tokens). Source: arxiv.org. Saturation forecast: Around December 2026. 8 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | DeepSeek R1 | 79.78 |
| 2 | GPT-5.4 (Non-reasoning) | 77.47 |
| 3 | Gemini 3 Flash (Minimal) | 76.71 |
| 4 | DeepSeek V4 Flash (Non-reasoning) | 67.07 |
| 5 | Qwen 3.5 9B (Non-reasoning) | 55.45 |
| 6 | Llama 3.1 8B | 28.11 |
Interactive version: theaggregate.ai/benchmark?slug=lexkairos · How It Works · Data refreshed daily, snapshot 2026-09-29.