Protocol
Limits, measured latency, and capacity
Review hard protocol limits and the scope of published engineering measurements.
SDK 0.1.0Private preview
Hard protocol limits
Hard limits: 120-second sessions, 65536-byte control frames, 262144-byte pre-admission queue, 32 tools, 8192-byte schema per tool, and 30 session mints per project per minute when durable production state is enabled. Account-specific limits returned by the control plane override preview defaults.
Measured warm latency
| Warm metric | p50 | p95 |
|---|---|---|
| Relay upstream connect | 105.585 ms | 188.833 ms |
| First input to first PCM | 258.054 ms | 306.638 ms |
| Estimated first input to audible | 282.168–290.228 ms | 330.643–338.703 ms |