AppTek Call-Center Dialogues - Mexican English: leaderboard

Metric: Word error rate (%) on the Mexican-accented English (en_MX) 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 Instruct10.9
2Whisper Large-v318.4

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