LexKairos (Thinking Mode) - Effective Version Identification: leaderboard

Metric: Accuracy (%; 452 items: generate the statute title and version tag 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: Around June 2027. 5 models tracked.

Top models

#ModelScore
1Gemini 3 Flash (High)60.62
2GPT-5.4 (High)58.63
3DeepSeek V4 Flash (High)57.74
4Qwen 3.5 9B (Thinking)37.39

Interactive version: theaggregate.ai/benchmark?slug=lexkairos-thinking-mode-effective-version-identification · How It Works · Data refreshed daily, snapshot 2026-09-29.