12 of 49 TTS models show statistically significant US vs UK accent bias
ArtificialAnlys · x · 2026-11-07
Artificial Analysis reports 12 of 49 TTS models show statistically significant differences between US and UK English (non-overlapping confidence intervals) — seven favor US English, five favor UK. The average difference across all models is just 7 Elo points, suggesting no strong overall accent bias.
Related event: Accent Matters: 49 TTS Models Tested in Controlled Voice Arena(4 posts)→
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