# DeepEval vs Helicone — Fit & Features

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

Compare DeepEval and Helicone 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

### Helicone
Monitor LLM requests, costs, and latency through an AI observability platform.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- Request logging
- Cost monitoring
- Model routing
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://www.helicone.ai/pricing
- [Read Helicone profile](https://trutool.co/tools/helicone): Read Helicone profile