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New Benchmark Reveals Widespread Fabrication of Islamic Scripture by Open Language Models

A new benchmark called BILAL-BENCH has been developed to evaluate the ability of open-source language models to fabricate Islamic scripture, specifically in Bengali. The benchmark includes 240 questions covering Quranic verses, hadith, and Islamic jurisprudence, with expert verification. When tested on 1,680 responses from seven different open-weight models, six of them confidently fabricated Islamic sources for 79.3% to 95.3% of questions, with no clear improvement based on model size. Hadith provenance was identified as a particular weakness across all evaluated models. AI

IMPACT Highlights a critical safety concern regarding the potential for open language models to generate authoritative-sounding but false religious texts, impacting trust and potentially leading to misinformation.

RANK_REASON The cluster describes a new academic paper introducing a benchmark for evaluating AI model behavior. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.CL →

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New Benchmark Reveals Widespread Fabrication of Islamic Scripture by Open Language Models

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The cluster describes a new academic paper introducing a benchmark for evaluating AI model behavior. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.CL TIER_1 English(EN) · Sabah Nushra, Md Kishor Morol ·

    Do Open Language Models Invent Scripture? BILAL-BENCH: Benchmarking Islamic-Source Fabrication in Bengali

    arXiv:2610.40996v1 Announce Type: new Abstract: When a language model invents a Qur'anic verse or hadith, it gives false authority to text that readers may treat as sacred. Existing Islamic hallucination benchmarks are largely Arabic and often closed-ended, while Bengali resource…