Nejumi 4 - jaster (2-shot) - JCoLA (in-domain): leaderboard

JCoLA in-domain split, Japanese grammatical acceptability judgments, from the llm-jp-eval jaster suite as run 2-shot by Nejumi Leaderboard 4 (Weights & Biases Japan). Score is exact match (%) on Nejumi's sampled test split; higher is better.

Metric: Exact match (%). Source: nejumi.ai. Saturation forecast: Around April 2027. 145 models tracked.

Top models

#ModelScoreOverall rank
1Llama 3.1 405B Instruct FP885#400
2Claude Opus 5 (Max)83#16 (Claude Opus 5)
3Claude Opus 4.7 (xHigh)83#51 (Claude Opus 4.7)
4Claude Opus 4.8 (xHigh)83#39 (Claude Opus 4.8)
5GPT-5.1 (2025-11-13) (High)83#107 (GPT-5.1 (2025-11-13))
6Gemini 3 Pro (Preview)82#71
7Gemma 4 31B (IT)82#178
8Gemini 3 Flash (Preview)82#90
9DeepSeek V4.1 Flash82#37
10GPT-5.6 Sol (Max)82#22 (GPT-5.6 Sol)
11Claude Opus 4.6 (Thinking)82#67 (Claude Opus 4.6)
12Claude Opus 4.5 (Thinking)82#87 (Claude Opus 4.5)
13Qwen 3.5 397B A17B (Thinking)82#154 (Qwen 3.5 397B A17B)
14Gemini 2.5 Pro81#159
15GPT-5.6 Luna (Max)81#79 (GPT-5.6 Luna)

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=nejumi-4-jaster-2-shot-jcola-in-domain · How It Works · Data refreshed daily, snapshot 2026-11-05.