Benchmarking Open-Source Large Language Models for Persian in Zero-Shot and Few-Shot Learning

• URL: http://arxiv.org/abs/2510.12807v1
• Date: Sun, 05 Oct 2025 10:10:04 GMT
• Title: Benchmarking Open-Source Large Language Models for Persian in Zero-Shot and Few-Shot Learning
• Authors: Mahdi Cherakhloo, Arash Abbasi, Mohammad Saeid Sarafraz, Bijan Vosoughi Vahdat,
• Abstract summary: This paper presents a benchmark of several open-source Large Language Models (LLMs) for Persian Natural Language Processing tasks.<n>We evaluate models across a range of tasks including sentiment analysis, named entity recognition, reading comprehension, and question answering.<n>The results reveal that Gemma 2 consistently outperforms other models across nearly all tasks in both learning paradigms.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Large Language Models (LLMs) have demonstrated remarkable capabilities across numerous languages; however, their effectiveness in low-resource languages like Persian requires thorough investigation. This paper presents a comprehensive benchmark of several open-source LLMs for Persian Natural Language Processing (NLP) tasks, utilizing both zero-shot and few-shot learning paradigms. We evaluate models across a range of tasks including sentiment analysis, named entity recognition, reading comprehension, and question answering, using established Persian datasets such as ParsiNLU and ArmanEmo. Our methodology encompasses rigorous experimental setups for both zero-shot and few-shot scenarios, employing metrics such as Accuracy, F1-score, BLEU, and ROUGE for performance evaluation. The results reveal that Gemma 2 consistently outperforms other models across nearly all tasks in both learning paradigms, with particularly strong performance in complex reasoning tasks. However, most models struggle with token-level understanding tasks like Named Entity Recognition, highlighting specific challenges in Persian language processing. This study contributes to the growing body of research on multilingual LLMs, providing valuable insights into their performance in Persian and offering a benchmark for future model development.

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