The Two Eval Loops Every Production LLM System Needs

📰 Medium · LLM

Learn why traditional monitoring metrics are insufficient for production LLM systems and discover the two eval loops needed for success

intermediate Published 16 Apr 2026
Action Steps
  1. Monitor traditional metrics such as latency, error rates, uptime, tokens, and cost
  2. Implement the first eval loop to assess model performance and data quality
  3. Implement the second eval loop to evaluate system reliability and robustness
  4. Compare and analyze results from both eval loops to identify areas for improvement
  5. Apply changes and re-evaluate system performance using the two eval loops
Who Needs to Know This

Data scientists, engineers, and product managers working on LLM systems will benefit from understanding the importance of eval loops in production environments to ensure system reliability and performance

Key Insight

💡 Traditional monitoring metrics are not enough, two eval loops are necessary to ensure production LLM systems are reliable and performant

Share This
💡 Two eval loops are crucial for production LLM systems: model performance & system reliability. Don't just monitor metrics, evaluate and improve!
Read full article → ← Back to Reads