Best Pydantic Evals Alternatives in 2026
Updated
20 apps from AI LLM evaluation tools ranked against Pydantic Evals on the same published basis.
- 1Pydantic Evals vs DeepEval
- 2Pydantic Evals vs Promptfoo
- 3Pydantic Evals vs Opik
- 4Pydantic Evals vs Langfuse
- 5Pydantic Evals vs Braintrust
- 6Pydantic Evals vs Confident AI
- 7Pydantic Evals vs Galileo
- 8Pydantic Evals vs Weights & Biases
- 9Pydantic Evals vs Vellum
- 10Pydantic Evals vs Maxim AI
- 11Pydantic Evals vs Evidently AI
- 12Pydantic Evals vs Giskard
- 13Pydantic Evals vs Rhesis AI
- 14Pydantic Evals vs LangSmith
- 15Pydantic Evals vs NVIDIA NeMo Evaluator
- 16Pydantic Evals vs Arize Phoenix
- 18Pydantic Evals vs UpTrain
- 19Pydantic Evals vs LangWatch
- 20Pydantic Evals vs OpenAI Evals
- 21Pydantic Evals vs HoneyHive
Pydantic Evals alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | DeepEval | 8.1 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 2 | Promptfoo | 8.0 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | Opik | 7.9 | Free plan | $19/mo | API, Linux, self-hosted, Web |
| 4 | Langfuse | 7.8 | Free plan | $29/mo | API, self-hosted, Web |
| 5 | Braintrust | 7.7 | Free plan | $249/mo | API, self-hosted, Web |
| 6 | Confident AI | 7.6 | Free plan | $200/mo | API, self-hosted, Web |
| 7 | Galileo | 7.6 | Free plan | $100/mo | API, self-hosted, Web |
| 8 | Weights & Biases | 7.6 | Free plan | $60/mo | API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 9 | Vellum | 7.5 | Free plan | $30/mo | Android, Browser, iOS, Mac, self-hosted, Web, Windows |
| 10 | Maxim AI | 7.3 | Free plan | $29/mo | API, self-hosted, Web |
| 11 | Evidently AI | 7.2 | Free plan | $80/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 12 | Giskard | 7.1 | Free plan | Free | API, Linux, self-hosted, Web |
| 13 | Rhesis AI | 7.1 | Free plan | Free | API, Linux, self-hosted, Web |
| 14 | LangSmith | 6.8 | Free plan | $39/mo | API, self-hosted, Web |
| 15 | NVIDIA NeMo Evaluator | 6.8 | Free plan | Free | API, Linux, self-hosted |
| 16 | Arize Phoenix | 6.7 | Free plan | Free | API, self-hosted, Web |
| 18 | UpTrain | 6.3 | No | — | API, self-hosted, Web |
| 19 | LangWatch | 6.2 | Free plan | €29/mo | API, Linux, self-hosted, Web |
| 20 | OpenAI Evals | 6.2 | No | — | API, self-hosted, Web |
| 21 | HoneyHive | 6.1 | No | — | Web |
Make your app an alternative to Pydantic Evals
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Pydantic Evals alternatives
What is the best alternative to Pydantic Evals?
DeepEval, number 1 in AI LLM evaluation tools with a score of 8.1 out of 10. The others here: Promptfoo, Opik, Langfuse and 16 more.
What is the best free alternative to Pydantic Evals?
DeepEval is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.

































