LexKairos (Thinking Mode) - Effective Status Verification: leaderboard

The Effective Status Verification sub-task of LexKairos (Tsinghua University, 2026): decide whether a statute is in force at a given date. Accuracy in percent over 480 items in the thinking mode at high effort; higher is better.

Metric: Accuracy (%; 480 items: classify whether a statute is in force at a given date; 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
1Gemini 3 Flash (High)92.92#164 (Gemini 3 Flash)
2GPT-5.4 (High)90.83#123 (GPT-5.4)
3DeepSeek V4 Flash (High)90.83#258 (DeepSeek V4 Flash)
4Qwen 3.5 9B (Thinking)78.85#803 (Qwen 3.5 9B)

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-effective-status-verification · How It Works · Data refreshed daily, snapshot 2026-11-13.