AppTek Call-Center Dialogues - African American Vernacular English: leaderboard

Metric: Word error rate (%) on the African American Vernacular-accented English (en_US_AAVE) calls of AppTek Call-Center Dialogues (128.6 hours of spontaneous role-played English call-center conversations, 14 accents), default inference settings, scored per session after Open ASR Leaderboard text normalization, audio segmented with the Silero VAD; lower is better. Source: arxiv.org. Saturation forecast: Around December 2026. 12 models tracked.

Top models

#ModelScore
1Phi-4 Multimodal Instruct9.2
2Whisper Large-v315.3

Interactive version: theaggregate.ai/benchmark?slug=apptek-call-center-dialogues-african-american-vernacular-english · How It Works · Data refreshed daily, snapshot 2026-10-07.