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Dev.to
Dev.to
6/18/2026
Optimizing LLM Model Performance for Real-Time Applications

Optimizing LLM Model Performance for Real-Time Applications

Short summary

Real-time LLMs require <200ms first-token and <50ms inter-token latency. Choose smaller models (32B-70B) with MoE architectures over large dense variants, and implement response streaming. Set strict latency budgets per use case and optimize end-to-end infrastructure.

  • Real-time latency targets: <200ms first-token, <50ms inter-token
  • Prefer smaller/MoE models (32B-70B) over large dense models for speed
  • Implement response streaming and measure end-to-end from client perspective

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