Dev.to
7/6/2026

Optimizing Backend Latency: Why Runtime AI Calls Are a Performance Killer
Short summary
Runtime AI calls introduce unpredictable latency and costs in backend systems due to network delays, external service variability, and processing time, making high-throughput APIs difficult to scale and monitor. Shifting AI work from runtime to compile-time or build-time pre-generates code, queries, and configurations, delivering deterministic, fast performance with predictable costs. This transforms AI from a risky runtime dependency into a lean, powerful development tool.
- •Runtime AI calls add hundreds of milliseconds of latency due to network, provider variability, and processing time
- •Compile-time AI executes pre-generated code with deterministic, predictable performance
- •Build-time AI integration makes costs manageable and enables easier CI/CD integration and team collaboration
Generated with AI, which can make mistakes.
Is this a good recommendation for you?



