LLM Evaluation Metrics
A practical set of evaluation metrics for quality, safety, and business outcomes.
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LLM Evaluation Metrics
Evaluation metrics define what “good output” means and how you detect regressions.
Use a mix of quality, safety, reliability, cost, and business impact metrics.
See also
Evaluation & Quality Gates Evaluation Harness (LLMOps) Test Sets for LLMsFAQ
Which metrics matter most?
Quality, safety, reliability, cost, and business outcomes—choose based on task and risk.
How do we avoid vanity metrics?
Tie metrics to acceptance criteria and real task success rates.
What’s a good evaluation baseline?
A curated test set + rubric scores + known edge cases tagged by risk.
How do we detect regressions?
Run evaluations on every prompt/model change and alert on drops.
What’s the first improvement?
Build a small gold test set and define 3–5 core rubric dimensions.