CoSimUE - Similarity: leaderboard
Metric: Pair accuracy (%; 174 similarity question pairs). Source: arxiv.org. Saturation forecast: Around December 2026. 16 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Grok 4 | 79.31 |
| 2 | GPT-5 | 75.86 |
| 3 | Gemini 2.5 Pro | 72.41 |
| 4 | Claude Sonnet 4.5 | 62.64 |
Interactive version: theaggregate.ai/benchmark?slug=cosimue-similarity · How It Works · Data refreshed daily, snapshot 2026-09-25.