Icelandic LLM - Case Government: leaderboard
Which case does the verb demand? The model puts a nominative noun phrase into a sentence's subject gap in the case the verb requires (many Icelandic verbs take an oblique subject), scored by exact match.
Metric: Accuracy (%). Source: huggingface.co. Saturation forecast: Estimated already saturated. 88 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Claude Opus 5 | 99.06 | #16 |
| 2 | Gemini 3.1 Pro (Preview) | 98.75 | #64 |
| 3 | Gemini 3.8 Flash | 98.75 | #30 |
| 4 | Gemini 4 Argon | 98.75 | #9 |
| 5 | Gemini 3.7 Flash | 98.44 | #24 |
| 6 | Gemini 3.5 Flash | 97.5 | #66 |
| 7 | Claude Opus 5.5 | 97.5 | #3 |
| 8 | GPT-6.1 Terra | 97.5 | #15 |
| 9 | GPT-6.1 Sol | 97.19 | #7 |
| 10 | GPT-6 Astra | 96.56 | #6 |
| 11 | Claude Fable 5.1 | 96.25 | #10 |
| 12 | Claude Opus 4.8 | 95.94 | #39 |
| 13 | GPT-5.6 Sol | 95.31 | #22 |
| 14 | Claude Sonnet 5.5 | 95.31 | #14 |
| 15 | GPT-6 Sol | 94.38 | #19 |
Interactive version: theaggregate.ai/benchmark?slug=icelandic-llm-case-government · How It Works · Data refreshed daily, snapshot 2026-11-05.