LexKairos - Temporal Distance Calculation: leaderboard

The Temporal Distance Calculation sub-task of LexKairos (Tsinghua University, 2026): compute the time elapsed between two case events. Accuracy in percent over 550 items in the vanilla setting (direct answer); higher is better.

Metric: Accuracy (%; 550 items: compute the time elapsed between two case events; 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: Estimated already saturated. 8 models tracked.

Top models

#ModelScoreOverall rank
1DeepSeek R198.73#473
2GPT-5.4 (Non-reasoning)98.18#123 (GPT-5.4)
3DeepSeek V4 Flash (Non-reasoning)78#258 (DeepSeek V4 Flash)
4Gemini 3 Flash (Minimal)71.82#164 (Gemini 3 Flash)
5Qwen 3.5 9B (Non-reasoning)34.73#803 (Qwen 3.5 9B)
6Llama 3.1 8B23.45#4861

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

Interactive version: theaggregate.ai/benchmark?slug=lexkairos-temporal-distance-calculation · How It Works · Data refreshed daily, snapshot 2026-11-13.