Nejumi 4 - jaster (2-shot) - JBLiMP: leaderboard

JBLiMP, choosing the grammatical sentence of Japanese linguistic minimal pairs, 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: Estimated already saturated. 145 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3.1 Pro (Preview)97#64
2Gemini 3.6 Flash97#57
3GPT-5.6 Sol (Max)97#22 (GPT-5.6 Sol)
4GPT-5.6 Terra (Max)97#40 (GPT-5.6 Terra)
5Claude Opus 4.1 (Thinking)97#146 (Claude Opus 4.1)
6Gemini 3 Pro (Preview)96#71
7Gemma 4 31B (IT)96#178
8Gemini 3 Flash (Preview)96#90
9Gemini 3.5 Flash96#66
10Claude Opus 5 (Max)96#16 (Claude Opus 5)
11GPT-5.6 Luna (Max)96#79 (GPT-5.6 Luna)
12Grok 4.5 (High)96#54 (Grok 4.5)
13O3 (2025-04-16) (High)96#125 (O3 (2025-04-16))
14Claude Opus 4.5 (Non-reasoning)96#87 (Claude Opus 4.5)
15GPT-5.4 (2026-03-05) (xHigh)96#63 (GPT-5.4 (2026-03-05))

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-jblimp · How It Works · Data refreshed daily, snapshot 2026-11-05.