8 min read
Prompt Evaluation Metrics Explained: How to Measure Your Prompts
Prompt evaluation metrics explained: how to measure prompts for accuracy, faithfulness, and format compliance — plus cost and latency — in a lightweight eval harness.
LayerFlow Blog
Budget caps, model routing, and cost control.
Practical guides on hard budget caps, per-project attribution, BYOK gateways, and routing models on price instead of guesswork.
7 min read
How to Evaluate LLM Prompts: A Systematic Approach
How to evaluate LLM prompts systematically: build an eval set, score output, run regressions, and know when a prompt change is actually better.
6 min read
Prompt Regression Testing: Lock in Quality Before Every Model Update
Model updates silently change your prompt quality. Learn prompt regression testing — a fixed evaluation set, side-by-side comparisons, and quality gates — so nothing regresses.