LIT-RAGBench (Japanese): leaderboard

Metric: Mean accuracy (%) over the Integration, Reasoning, Logic and Table categories (Main) on the 54 hand-written Japanese questions, judged correct or incorrect against the reference answer by GPT-4.1 (2025-04-14); the generator receives the question with relevant and irrelevant documents of about 512 tokens each, temperature 0 where supported and the maximum reasoning length for reasoning models; higher is better. Source: arxiv.org. Saturation forecast: Estimated already saturated. 15 models tracked.

Top models

#ModelScoreOverall rank
1O4 Mini90#172
2O388.2#121
3Qwen 3 235B A22B 2507 Instruct86.5#291
4Gemini 2.5 Flash86#237
5GPT-585.2#91
6GPT-4.1 Mini84.8#346
7GPT-5 Mini84.6#176
8Qwen 3 235B A22B 2507 (Thinking)82.1#253 (Qwen 3 235B A22B 2507)
9GPT-4.180.3#240
10Gemini 2.5 Pro78.6#145
11Claude Sonnet 472.8#194
12GPT-5 Nano68.1#415
13Llama 3.3 70B Instruct66#520
14Gemma 3 27B (IT)51.7#509
15Llama 3.1 8B Instruct25.5#1018

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=lit-ragbench-japanese · How It Works · Data refreshed daily, snapshot 2026-10-11.