RoboRMBench - Lexical Substitution Mean Error: leaderboard
Metric: Mean Error. Source: arxiv.org. 16 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Gemma 3 27B | 1.37 |
| 2 | GPT-4o | 1.2 |
| 3 | Llama 4 Scout | 1.18 |
| 4 | Llama 4 Maverick | 1.11 |
| 5 | Claude Haiku 4.5 | 1.1 |
| 6 | Gemma 3 12B | 1.08 |
| 7 | GPT-5.1 | 1.04 |
| 8 | Gemini 2.5 Flash | 1.01 |
| 9 | Claude Sonnet 4.6 | 1 |
| 10 | Qwen 3 VL 8B | 0.89 |
| 11 | Gemini 3 Flash | 0.68 |
Interactive version: theaggregate.ai/benchmark?slug=robormbench-lexical-substitution-mean-error · How It Works · Data refreshed daily, snapshot 2026-09-21.