# LangWatch vs Lunary — Fit & Features

Canonical: https://trutool.co/compare/langwatch-vs-lunary
Author: Snehil (https://trutool.co/authors/snehil)

Compare LangWatch and Lunary by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### LangWatch
Monitor AI agents and evaluate their performance throughout development.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- Agent monitoring
- Evaluation workflows
- Prompt experiments
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://langwatch.ai/pricing
- [Read LangWatch profile](https://trutool.co/tools/langwatch): Read LangWatch profile

### Lunary
Monitor AI conversations and manage prompts for LLM applications.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- LLM monitoring
- Prompt management
- Conversation analytics
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://lunary.ai/pricing
- [Read Lunary profile](https://trutool.co/tools/lunary): Read Lunary profile