Low latency is not the only metric, but it directly affects interaction rhythm. Read it together with availability and current status.
Latency samples
JuCodex: 99.4% availability, 1687 ms average latency, current status up.
sssaicode: 97.7% availability, 1698 ms average latency, current status up.
toproutercn: 99.7% availability, 1816 ms average latency, current status up.
YunDou: 100% availability, 1999 ms average latency, current status up.
Fit
Low latency helps live chat, short coding help, and support automation.
Long Claude Code and Codex tasks still need sustained stability more than one fast response.