Where Are We? Evaluating LLM Performance on African Languages

Fuente: arXiv
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Main Authors: Adebara, Ife, Toyin, Hawau Olamide, Ghebremichael, Nahom Tesfu, Elmadany, AbdelRahim, Abdul-Mageed, Muhammad
Format: Preprint
Published: 2025
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author Adebara, Ife
Toyin, Hawau Olamide
Ghebremichael, Nahom Tesfu
Elmadany, AbdelRahim
Abdul-Mageed, Muhammad
author_facet Adebara, Ife
Toyin, Hawau Olamide
Ghebremichael, Nahom Tesfu
Elmadany, AbdelRahim
Abdul-Mageed, Muhammad
contents Africa's rich linguistic heritage remains underrepresented in NLP, largely due to historical policies that favor foreign languages and create significant data inequities. In this paper, we integrate theoretical insights on Africa's language landscape with an empirical evaluation using Sahara - a comprehensive benchmark curated from large-scale, publicly accessible datasets capturing the continent's linguistic diversity. By systematically assessing the performance of leading large language models (LLMs) on Sahara, we demonstrate how policy-induced data variations directly impact model effectiveness across African languages. Our findings reveal that while a few languages perform reasonably well, many Indigenous languages remain marginalized due to sparse data. Leveraging these insights, we offer actionable recommendations for policy reforms and inclusive data practices. Overall, our work underscores the urgent need for a dual approach - combining theoretical understanding with empirical evaluation - to foster linguistic diversity in AI for African communities.
format Preprint
id arxiv_https___arxiv_org_abs_2502_19582
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Where Are We? Evaluating LLM Performance on African Languages
Adebara, Ife
Toyin, Hawau Olamide
Ghebremichael, Nahom Tesfu
Elmadany, AbdelRahim
Abdul-Mageed, Muhammad
Computation and Language
Africa's rich linguistic heritage remains underrepresented in NLP, largely due to historical policies that favor foreign languages and create significant data inequities. In this paper, we integrate theoretical insights on Africa's language landscape with an empirical evaluation using Sahara - a comprehensive benchmark curated from large-scale, publicly accessible datasets capturing the continent's linguistic diversity. By systematically assessing the performance of leading large language models (LLMs) on Sahara, we demonstrate how policy-induced data variations directly impact model effectiveness across African languages. Our findings reveal that while a few languages perform reasonably well, many Indigenous languages remain marginalized due to sparse data. Leveraging these insights, we offer actionable recommendations for policy reforms and inclusive data practices. Overall, our work underscores the urgent need for a dual approach - combining theoretical understanding with empirical evaluation - to foster linguistic diversity in AI for African communities.
title Where Are We? Evaluating LLM Performance on African Languages
topic Computation and Language
url https://arxiv.org/abs/2502.19582