Voice AI Performance Benchmarks 2026: Latency, Uptime & Cache Efficiency Data

The fastest voice AI platforms achieve sub-300ms end-to-end latency, which is the threshold for natural-feeling conversation. Loqui Auris maintains sub-300ms latency with 99.97% uptime across 80+ days of continuous production operation. Cache efficiency — how effectively the system reuses processed context — is the most overlooked performance metric, with Loqui Auris achieving 85-89% versus the 64-74% industry standard.

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