# Lunary vs OpenLIT — Fit & Features

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

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

## Compare fit, features, and limitations

### 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

### OpenLIT
Instrument AI applications using open-source OpenTelemetry observability.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- LLM observability
- Cost tracking
- OpenTelemetry integration
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://openlit.io/pricing
- [Read OpenLIT profile](https://trutool.co/tools/openlit): Read OpenLIT profile