# Quality, evaluation and observability

Source: http://localhost:1313/learn/quality/index.html

How to test and evaluate agents, which metrics matter, how to log, trace and monitor in production, how to improve from real conversations, and how to A/B test prompts and models.


## Quality, evaluation and observability

- [Testing and evaluating agents (evals)](http://localhost:1313/learn/quality/testing-and-evaluating-agents.md)
- [Metrics: accuracy, latency, cost, satisfaction](http://localhost:1313/learn/quality/metrics.md)
- [Logs, traces and monitoring](http://localhost:1313/learn/quality/logs-traces-and-monitoring.md)
- [Continuous improvement from real conversations](http://localhost:1313/learn/quality/continuous-improvement.md)
- [A/B testing prompts and models](http://localhost:1313/learn/quality/ab-testing.md)