Author

Tobi Olatunji

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Preprint Aug 2026

AfriSwitch: A Benchmark for In-the-Wild African Code-Switched Speech Recognition

AfriSwitch is presented, a 61.36-hour human-transcribed benchmark of in-the-wild code-switched speech spanning 16 African languages and language varieties, released with switch-level English span tags, perutterance Code-Mixing Index (CMI), and switch-point counts.

Gabrial Zencha Ashungafac, Busayo Awobade, Tobi Olatunji · 0 citations

Open access Jul 2026

NigBench: A multilingual point-of-care medical query benchmarking study of large language models in Nigeria

A novel benchmark comprising over 9,000 real-world, point-of-care, multilingual, and multimodal clinical question-answer pairs sourced from frontline health workers in Nigeria reveals several critical insights into the suitability of LLMs as clinical decision support systems in low-resource contexts.

Tobi Olatunji, C. Aka, C. Okocha et al. · medRxiv · 0 citations