HalluScore - Arabic Culture: leaderboard

Metric: Factual hallucination rate (%) on the 308 culturally grounded HalluScore questions about the Arab world, zero-shot short-answer Arabic question answering at temperature 0 with no retrieval, responses annotated by humans; an answer that states an unsupported fact with confidence counts, an expressed uncertainty or refusal does not; lower is better. Source: arxiv.org. Saturation forecast: Not forecast. 17 models tracked.

Top models

#ModelScore
1GPT-533.44
2Claude Opus 445.45
3GPT-4o47.08
4Claude Sonnet 4.552.27
5O4 Mini59.74
6Llama 4 Maverick Instruct FP863.31
7DeepSeek V366.23
8ALLaM-7B-Instruct-preview69.16
9Grok 4 Fast (Reasoning)69.16
10DeepSeek R169.81
11Qwen 3 Next 80B A3B Instruct77.6
12Grok 479.22
13Fanar-1-9B84.09
14O386.36

Interactive version: theaggregate.ai/benchmark?slug=halluscore-arabic-culture · How It Works · Data refreshed daily, snapshot 2026-10-07.