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System DesignHard· Real-time Systems· Latency· Inference

We’re building a real-time coding assistant. Walk me th...

Designing a real-time coding assistant requires a focus on low-latency delivery. For autocomplete features, a TTFT of under 200ms is typically required to ensure a smooth user experience.

Your design should start by establishing the performance requirements based on expected concurrent user counts and the nature of the interaction. Only after defining these SLOs should you proceed to select the serving stack components that can reliably meet these strict latency targets.

Code playground (Python)