LexKairos (Thinking Mode) - Event Relation Discerning: leaderboard

The Event Relation Discerning sub-task of LexKairos (Tsinghua University, 2026): classify the temporal relation between two events of a judicial case. F1 score in percent over 450 items in the thinking mode at high effort; higher is better.

Metric: F1 score (%; 450 items: classify the temporal relation between two events of a judicial case; thinking mode, built-in reasoning enabled at high effort with the vanilla prompt; temperature 0, 8,000 output tokens). Source: arxiv.org. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.4 (High)92.8#123 (GPT-5.4)
2Gemini 3 Flash (High)88.15#164 (Gemini 3 Flash)
3Qwen 3.5 9B (Thinking)87.67#803 (Qwen 3.5 9B)
4DeepSeek V4 Flash (High)74.14#258 (DeepSeek V4 Flash)

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=lexkairos-thinking-mode-event-relation-discerning · How It Works · Data refreshed daily, snapshot 2026-11-13.