aiXamine - Over-Refusal: leaderboard

aiXamine Over-Refusal service score: answering benign queries that resemble unsafe ones instead of refusing excessively (aiXamine, arXiv 2608.20554v1, Appendix Table 7). Normalized 0-100 score aggregated from the service's tests; higher is better. 42 models evaluated under identical black-box conditions via OpenRouter or containerized vLLM.

Metric: Service score (0-100; normalized pass rate). Source: arxiv.org. Saturation forecast: Estimated already saturated. 42 models tracked.

Top models

#ModelScoreOverall rank
1Gemma 3 27B94.6#606
2GPT-4o94.4#357
3Gemini 3 Flash (Preview)94.4#90
4Grok 3 Mini94.4#289
5Llama 4 Scout94#648
6Llama 3.3 70B94#578
7Llama 3.2 3B93.8#1376
8Gemma 3 12B93.1#674
9DeepSeek R1 052891.5#232
10Gemini 2.5 Flash90.4#255
11Llama 3.1 8B90.3#1130
12Gemma 3 4B90#1088
13DeepSeek R1 Distill Llama 8B89.2#1295
14Grok 4 Fast88.3#266
15Grok 4.1 Fast88.2#227

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=aixamine-over-refusal · How It Works · Data refreshed daily, snapshot 2026-11-05.