# Eval flywheel for prompt regressions

Generate test cases, score outputs, and track regressions.

- Date: Oct 6, 2025
- Reading time: 14 min
- Level: Advanced
- Tags: Evals, Quality, Automation

## Takeaways
- Collect failures and convert them into tests.
- Score outputs with automated rubrics.
- Track trends to detect drift early.

## Capture failures

Log user reports and model failures, then normalize them into test cases.

## Score outputs

Combine schema validation with rubric scoring for qualitative checks.

## Monitor drift

Build dashboards that track score changes by model, prompt, and tool version.