KOPA-Bench - Action Accuracy: leaderboard
Metric: Tool-call Accuracy (%). Source: arxiv.org. Saturation forecast: Around November 2027. 11 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.1 | 58.81 |
| 2 | Gemma 4 26B A4B (IT) | 50.61 |
| 3 | Claude Sonnet 4.6 | 42.69 |
| 4 | Qwen 3.5 27B | 42.13 |
| 5 | gemma-4-E4B-it | 40.69 |
| 6 | Ministral-3-8B-Instruct-2512 | 37.97 |
| 7 | Qwen 3.5 9B | 34.07 |
| 8 | EXAONE 4.5 33B | 26.7 |
| 9 | Qwen 3.5 4B | 21.4 |
Interactive version: theaggregate.ai/benchmark?slug=kopa-bench-action-accuracy · How It Works · Data refreshed daily, snapshot 2026-09-24.