Concurrency limits are the hidden tax in voice AI — how Phonic solved it

graceisford · x · 2026-11-04

Phonic engineers Kendrick Shen and Moin Nadeem published a technical deep dive on concurrency and traffic spikes in voice AI: voice traffic spikes without warning, exactly when performance matters most, and poorly handled concurrency limits act as a hidden tax.

The article explains how the team redesigned their concurrency limit system to keep voice AI performant under sudden load.

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