Apertus 1.5 8B: benchmark results
Provider: Apertus. Access: Open.
Unified ELO 1425 ± 55, rank #1937 of 2928 rated models, from 12 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| SEA-HELM | 54.16 | Mean Score (%) | 36.8 |
| Icelandic LLM - GEC | 21.56 | Accuracy (%) | 18.5 |
| Icelandic LLM - Case Government | 4.69 | Accuracy (%) | 11.1 |
| Icelandic LLM - Idiom Completion | 1.99 | Accuracy (%) | 9.3 |
| Icelandic LLM - Flora & Fauna | 0.39 | Accuracy (%) | 7.4 |
| Icelandic LLM - Idiom Meanings | 21.07 | LLM Judge Score (%) | 7.4 |
| Icelandic LLM - WikiQA | 10.68 | LLM Judge Score (%) | 7.4 |
| Icelandic LLM - Famous Phrases | 0.24 | Accuracy (%) | 3.7 |
| Icelandic LLM - Textile Terms | 5.6 | LLM Judge Score (%) | 3.7 |
| Icelandic LLM Leaderboard - Average | 11.69 | Average Score (%) | 3.7 |
| Icelandic LLM - Generative Quality | 25.3 | Quality Score (%) | 0 |
| Icelandic LLM - Song Lyrics | 9.92 | Accuracy (%) | 0 |
Interactive version: theaggregate.ai/model?slug=apertus-1-5-8b · How It Works · Data refreshed daily, snapshot 2026-09-23.