| Model | Task success (%) | Median turn latency | Barge-in recovery |
|---|---|---|---|
Human control · sector agentHuman control | 93.0 ± 1.6 | 576ms | 95.9% |
Frontier realtime · lab AFrontier | 65.5 ± 1.8 | 819ms | 71.4% |
Frontier realtime · lab BFrontier | 57.3 ± 1.2 | 714ms | 56.8% |
Cascaded stack (ASR → LLM → TTS)Specialist | 51.6 ± 0.8 | 1514ms | 46% |
Frontier multimodal · lab CFrontier | 49.0 ± 1.3 | 828ms | 56.9% |
Open weights · 8B speechOpen weights | 29.7 ± 0.7 | 1140ms | 35.5% |
Limits, stated up front: 8 languages only, single-channel audio, and no cross-sector transfer. The control is one operator per sector, so the human line carries its own error bar — it is a working standard, not a ceiling.