UW study: leading AI models rate Chinese and Nigerian accents lower in speech scoring

lazowska · x · 2026-11-05

University of Washington researchers tested state-of-the-art multimodal models from Google and OpenAI on speech evaluation in job interviews, conference talks, and spoken English tests. Models consistently ranked American and British accents highest and Chinese and Nigerian accents lowest, with Indian accents in between — even when content was identical and transcription was accurate. The findings show AI replicates and amplifies accent bias in high-stakes evaluation, presented Oct 25.

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