Best TruLens Alternatives in 2026
Updated
20 apps from AI LLM evaluation tools ranked against TruLens on the same published basis.
- 1TruLens vs Vellum
- 2TruLens vs Weights & Biases
- 3TruLens vs Evidently AI
- 4TruLens vs Promptfoo
- 5TruLens vs DeepEval
- 6TruLens vs Giskard
- 7TruLens vs Opik
- 8TruLens vs Rhesis AI
- 9TruLens vs Braintrust
- 10TruLens vs Confident AI
- 11TruLens vs Galileo
- 12TruLens vs Langfuse
- 13TruLens vs Maxim AI
- 14TruLens vs NVIDIA NeMo Evaluator
- 15TruLens vs OpenAI Evals
- 16TruLens vs Pydantic Evals
- 17TruLens vs UpTrain
- 18TruLens vs Ragas
- 19TruLens vs HELM
- 20TruLens vs HoneyHive
TruLens alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Vellum | 6.7 | Free plan | $30/mo | Android, Browser, iOS, Mac, self-hosted, Web, Windows |
| 2 | Weights & Biases | 6.7 | Free plan | $60/mo | API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 3 | Evidently AI | 6.6 | Free plan | $80/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | Promptfoo | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | DeepEval | 6.5 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 6 | Giskard | 6.5 | Free plan | Free | API, Linux, self-hosted, Web |
| 7 | Opik | 6.5 | Free plan | $19/mo | API, Linux, self-hosted, Web |
| 8 | Rhesis AI | 6.5 | Free plan | Free | API, Linux, self-hosted, Web |
| 9 | Braintrust | 6.4 | Free plan | $249/mo | API, self-hosted, Web |
| 10 | Confident AI | 6.4 | Free plan | $200/mo | API, self-hosted, Web |
| 11 | Galileo | 6.4 | Free plan | $100/mo | API, self-hosted, Web |
| 12 | Langfuse | 6.4 | Free plan | $29/mo | API, self-hosted, Web |
| 13 | Maxim AI | 6.4 | Free plan | $29/mo | API, self-hosted, Web |
| 14 | NVIDIA NeMo Evaluator | 6.4 | Free plan | Free | API, Linux, self-hosted |
| 15 | OpenAI Evals | 5.5 | No | — | API, self-hosted, Web |
| 16 | Pydantic Evals | 5.5 | No | — | Linux |
| 17 | UpTrain | 5.5 | No | — | API, self-hosted, Web |
| 18 | Ragas | 5.4 | No | — | API, Linux, self-hosted |
| 19 | HELM | 5.1 | No | — | Web |
| 20 | HoneyHive | 5.1 | No | — | Web |
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Questions about TruLens alternatives
What is the best alternative to TruLens?
Vellum, number 1 in AI LLM evaluation tools with a score of 6.7 out of 10. The others here: Weights & Biases, Evidently AI, Promptfoo and 16 more.
What is the best free alternative to TruLens?
Vellum is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.