What is the latency and uptime reliability of Google Cloud Vertex AI?

Google Cloud Vertex AI maintains an average response latency of 75ms TTFT and an operational uptime SLA of 99.99% across its infrastructure endpoints. Supported deployment regions include ["us-central1", "europe-west4", "asia-east1"] with direct programmatic API access.
Verified daily via automated API latency tests and official documentation.
Average TTFT Latency 75ms P90 Benchmark Window
Historical Uptime SLA 99.99% 30-Day Rolling Telemetry
Regional Deployment ["us-central1", "europe-west4", "asia-east1"] Multi-AZ Availability

Models Available on Google Cloud Vertex AI