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AI Engineer
AI Engineer

Routing LLM Inference in Production: From Engine Signals to Policy — Qianru Lao & Lu Zhang, OpenAI

Sep 19, 2026 · 0:18:12
✨ AI Summary
  • OpenAI's inference load balancer uses a feedback loop for routing weights.
  • A proportional controller balances engines based on reported signals.
  • The system's behavior became complex and difficult to explain.

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