AppTek Call-Center Dialogues - Scottish English: leaderboard

Metric: Word error rate (%) on the Scottish-accented English (en_GB_SCT) 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 Instruct13.2
2Whisper Large-v317.3

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