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Best Evidently AI Alternatives in 2026

Updated

20 tools from AI LLM evaluation tools ranked against Evidently AI on the same published basis.

  1. 1
    Weights & Biases Free plan apiiOSLinuxMacself-hosted $60/mo8.0
    Evidently AI vs Weights & Biases
  2. 3
    Vellum Free plan AndroidextensioniOSMacself-hosted $30/mo7.7
    Evidently AI vs Vellum
  3. 4
    Opik Free plan apiLinuxself-hostedWeb $19/mo7.5
    Evidently AI vs Opik
  4. 5
    Promptfoo Free plan apiLinuxMacself-hostedWeb Free7.4
    Evidently AI vs Promptfoo
  5. 6
    Maxim AI Free plan apiself-hostedWeb $29/mo7.3
    Evidently AI vs Maxim AI
  6. 7
    DeepEval Free plan LinuxMacself-hostedWin Free7.2
    Evidently AI vs DeepEval
  7. 8
    Giskard Free plan apiLinuxself-hostedWeb Free7.1
    Evidently AI vs Giskard
  8. 9
    LangWatch Free plan apiLinuxself-hostedWeb €29/mo7.1
    Evidently AI vs LangWatch
  9. 10
    Rhesis AI Free plan apiLinuxself-hostedWeb Free7.1
    Evidently AI vs Rhesis AI
  10. 11
    Galileo Free plan apiself-hostedWeb $100/mo7.0
    Evidently AI vs Galileo
  11. 12
    Langfuse Free plan apiself-hostedWeb $29/mo7.0
    Evidently AI vs Langfuse
  12. 13
    Braintrust Free plan apiself-hostedWeb $249/mo6.9
    Evidently AI vs Braintrust
  13. 14
    LangSmith Free plan apiself-hostedWeb $39/mo6.9
    Evidently AI vs LangSmith
  14. 15
    NVIDIA NeMo Evaluator Free plan apiLinuxself-hosted Free6.9
    Evidently AI vs NVIDIA NeMo Evaluator
  15. 16
    Arize Phoenix Free plan apiself-hostedWeb Free6.8
    Evidently AI vs Arize Phoenix
  16. 17
    Confident AI Free plan apiself-hostedWeb $200/mo6.8
    Evidently AI vs Confident AI
  17. 18
    OpenAI Evals apiself-hostedWeb 6.7
    Evidently AI vs OpenAI Evals
  18. 19
    Pydantic Evals Linux 6.7
    Evidently AI vs Pydantic Evals
  19. 20
    UpTrain apiself-hostedWeb 6.7
    Evidently AI vs UpTrain
  20. 21
    LM Evaluation Harness Free plan apiLinuxself-hosted Free6.6
    Evidently AI vs LM Evaluation Harness

Evidently AI alternatives compared

#ToolScoreFree planFromRuns on
1Weights & Biases8.0Free plan$60/moAPI, iOS, Linux, Mac, self-hosted, Web, Windows
3Vellum7.7Free plan$30/moAndroid, Browser, iOS, Mac, self-hosted, Web, Windows
4Opik7.5Free plan$19/moAPI, Linux, self-hosted, Web
5Promptfoo7.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6Maxim AI7.3Free plan$29/moAPI, self-hosted, Web
7DeepEval7.2Free planFreeLinux, Mac, self-hosted, Windows
8Giskard7.1Free planFreeAPI, Linux, self-hosted, Web
9LangWatch7.1Free plan€29/moAPI, Linux, self-hosted, Web
10Rhesis AI7.1Free planFreeAPI, Linux, self-hosted, Web
11Galileo7.0Free plan$100/moAPI, self-hosted, Web
12Langfuse7.0Free plan$29/moAPI, self-hosted, Web
13Braintrust6.9Free plan$249/moAPI, self-hosted, Web
14LangSmith6.9Free plan$39/moAPI, self-hosted, Web
15NVIDIA NeMo Evaluator6.9Free planFreeAPI, Linux, self-hosted
16Arize Phoenix6.8Free planFreeAPI, self-hosted, Web
17Confident AI6.8Free plan$200/moAPI, self-hosted, Web
18OpenAI Evals6.7No—API, self-hosted, Web
19Pydantic Evals6.7No—Linux
20UpTrain6.7No—API, self-hosted, Web
21LM Evaluation Harness6.6Free planFreeAPI, Linux, self-hosted
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Questions about Evidently AI alternatives

What is the best alternative to Evidently AI?

Weights & Biases, number 1 in AI LLM evaluation tools with a score of 8.0 out of 10. The others here: Vellum, Opik, Promptfoo and 16 more.

What is the best free alternative to Evidently AI?

Weights & Biases 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 on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.