# DeepEval vs LangWatch — Fit & Features

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

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

## Compare fit, features, and limitations

### DeepEval
Test LLM application outputs with evaluation metrics and regression checks.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- LLM evaluations
- Test datasets
- Regression testing
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://deepeval.com
- [Read DeepEval profile](https://trutool.co/tools/deepeval): Read DeepEval profile

### 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