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Dev.to
Dev.to
7/6/2026
Optimizing Backend Latency: Why Runtime AI Calls Are a Performance Killer

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.

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