AppTek Call-Center Dialogues (Fixed 60s Chunks): leaderboard
Metric: Word error rate (%, averaged over the 14 accents) on 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 fixed 60-second chunks; lower is better. Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 10 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Phi-4 Multimodal Instruct | 18.8 |
Interactive version: theaggregate.ai/benchmark?slug=apptek-call-center-dialogues-fixed-60s-chunks · How It Works · Data refreshed daily, snapshot 2026-10-07.