# DeepEval vs OpenLLMetry (Traceloop)

DeepEval is free, with no paid plan attached. OpenLLMetry (Traceloop) is free, with no paid plan attached.

| | DeepEval | OpenLLMetry (Traceloop) |
|---|---|---|
| Pricing | Free | Free |
| Free to start | Yes | Yes |
| Category | AI Models & Local Execution | AI Models & Local Execution |
| Type | LLM Eval & Observability | LLM Eval & Observability |
| Best for | Open-source LLM evaluation framework with pytest-style tests and 50+ metrics | OpenTelemetry-based instrumentation for LLM calls, vector DBs and frameworks |

## FAQ

### DeepEval vs OpenLLMetry (Traceloop): what is the difference?

DeepEval is free, with no paid plan attached and is listed for open-source LLM evaluation framework with pytest-style tests and 50+ metrics. OpenLLMetry (Traceloop) is free, with no paid plan attached and is listed for openTelemetry-based instrumentation for LLM calls, vector DBs and frameworks. Both sit in LLM Eval & Observability.

### Is DeepEval or OpenLLMetry (Traceloop) cheaper to start with?

Neither — DeepEval and OpenLLMetry (Traceloop) are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

### Which should I choose, DeepEval or OpenLLMetry (Traceloop)?

Choose DeepEval if you need open-source LLM evaluation framework with pytest-style tests and 50+ metrics; choose OpenLLMetry (Traceloop) if you need openTelemetry-based instrumentation for LLM calls, vector DBs and frameworks. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

## Related

- [DeepEval](https://aitools.flocci.in/tool/deepeval)
- [OpenLLMetry (Traceloop)](https://aitools.flocci.in/tool/openllmetry-traceloop)
- [DeepEval alternatives](https://aitools.flocci.in/alternatives/deepeval)
- [OpenLLMetry (Traceloop) alternatives](https://aitools.flocci.in/alternatives/openllmetry-traceloop)
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Source: Flocci AI Tools — https://aitools.flocci.in/compare/deepeval-vs-openllmetry-traceloop

Facts last verified: October 2026