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Best Arklex Alternatives in 2026

Updated

20 apps from AI agent evaluation tools ranked against Arklex on the same published basis.

  1. 1
    Future AGI AI Evaluation SDK Free plan apiLinuxMacself-hostedWeb $250/mo7.3
    Arklex vs Future AGI AI Evaluation SDK
  2. 2
    W&B Weave Free plan apiLinuxMacself-hostedWeb $60/mo7.2
    Arklex vs W&B Weave
  3. 3
    DeepEval Free plan LinuxMacself-hostedWin Free7.1
    Arklex vs DeepEval
  4. 4
    Noveum Free plan apiLinuxself-hostedWeb $69/mo7.1
    Arklex vs Noveum
  5. 5
    Promptfoo Free plan apiLinuxMacself-hostedWeb Free7.1
    Arklex vs Promptfoo
  6. 6
    Opik Free plan apiLinuxself-hostedWeb $19/mo7.0
    Arklex vs Opik
  7. 7
    Strands Evals Free plan apiLinuxMacself-hostedWin Free7.0
    Arklex vs Strands Evals
  8. 8
    AgentClash Free plan apiself-hostedWeb $49/mo6.9
    Arklex vs AgentClash
  9. 10
    Giskard Free plan apiLinuxself-hostedWeb Free6.9
    Arklex vs Giskard
  10. 11
    LangWatch Free plan apiLinuxself-hostedWeb €29/mo6.9
    Arklex vs LangWatch
  11. 12
    Tangle Free plan apiLinuxWeb Free6.9
    Arklex vs Tangle
  12. 13
    Braintrust Free plan apiself-hostedWeb $249/mo6.8
    Arklex vs Braintrust
  13. 14
    Galileo Free plan apiself-hostedWeb $100/mo6.8
    Arklex vs Galileo
  14. 15
    Google Cloud Agent Evaluation Free trial apiWeb 6.8
    Arklex vs Google Cloud Agent Evaluation
  15. 16
    LangSmith Free plan apiself-hostedWeb $39/mo6.8
    Arklex vs LangSmith
  16. 17
    Maxim AI Free plan apiself-hostedWeb $29/mo6.8
    Arklex vs Maxim AI
  17. 18
    MLflow GenAI Evaluation Free plan apiself-hostedWeb Free6.7
    Arklex vs MLflow GenAI Evaluation
  18. 19
    Parea AI Free plan apiself-hostedWeb $150/mo6.7
    Arklex vs Parea AI
  19. 20
    Inspect AI Free plan apiextension Free6.4
    Arklex vs Inspect AI
  20. 21
    Amazon Bedrock Data AutomationAmazon Web Services api $0.01/mo6.1
    Arklex vs Amazon Bedrock Data Automation

Arklex alternatives compared

#AppScoreFree planFromRuns on
1Future AGI AI Evaluation SDK7.3Free plan$250/moAPI, Linux, Mac, self-hosted, Web, Windows
2W&B Weave7.2Free plan$60/moAPI, Linux, Mac, self-hosted, Web, Windows
3DeepEval7.1Free planFreeLinux, Mac, self-hosted, Windows
4Noveum7.1Free plan$69/moAPI, Linux, self-hosted, Web
5Promptfoo7.1Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6Opik7.0Free plan$19/moAPI, Linux, self-hosted, Web
7Strands Evals7.0Free planFreeAPI, Linux, Mac, self-hosted, Windows
8AgentClash6.9Free plan$49/moAPI, self-hosted, Web
10Giskard6.9Free planFreeAPI, Linux, self-hosted, Web
11LangWatch6.9Free plan€29/moAPI, Linux, self-hosted, Web
12Tangle6.9Free planFreeAPI, Linux, Web
13Braintrust6.8Free plan$249/moAPI, self-hosted, Web
14Galileo6.8Free plan$100/moAPI, self-hosted, Web
15Google Cloud Agent Evaluation6.8No—API, Web
16LangSmith6.8Free plan$39/moAPI, self-hosted, Web
17Maxim AI6.8Free plan$29/moAPI, self-hosted, Web
18MLflow GenAI Evaluation6.7Free planFreeAPI, self-hosted, Web
19Parea AI6.7Free plan$150/moAPI, self-hosted, Web
20Inspect AI6.4Free planFreeAPI, Browser
21Amazon Bedrock Data Automation6.1No$0.01/moAPI
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Questions about Arklex alternatives

What is the best alternative to Arklex?

Future AGI AI Evaluation SDK, number 1 in AI agent evaluation tools with a score of 7.3 out of 10. The others here: W&B Weave, DeepEval, Noveum and 16 more.

What is the best free alternative to Arklex?

Future AGI AI Evaluation SDK is the best-ranked alternative with a free plan. 18 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: documentation depth, a free tier and the platforms it runs on.