Best Tangle Alternatives in 2026

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

  1. 1Tangle vs Future AGI AI Evaluation SDK
  2. 2Tangle vs Promptfoo
  3. 3Tangle vs W&B Weave
  4. 4Tangle vs DeepEval
  5. 5Tangle vs Noveum
  6. 6Tangle vs Opik
  7. 7Tangle vs Strands Evals
  8. 8Tangle vs AgentClash
  9. 9Tangle vs Arklex
  10. 10Tangle vs Braintrust
  11. 11Tangle vs Galileo
  12. 12Tangle vs Giskard
  13. 13Tangle vs Google Cloud Agent Evaluation
  14. 14Tangle vs LangSmith
  15. 15Tangle vs LangWatch
  16. 16Tangle vs Maxim AI
  17. 18Tangle vs HoneyHive
  18. 19Tangle vs MLflow GenAI Evaluation
  19. 20Tangle vs Parea AI
  20. 21Tangle vs VRUNAI

Tangle alternatives compared

#AppScoreFree planFromRuns on
1Future AGI AI Evaluation SDK6.6Free plan$250/moAPI, Linux, Mac, self-hosted, Web, Windows
2Promptfoo6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3W&B Weave6.6Free plan$60/moAPI, Linux, Mac, self-hosted, Web, Windows
4DeepEval6.5Free planFreeLinux, Mac, self-hosted, Windows
5Noveum6.5Free plan$69/moAPI, Linux, self-hosted, Web
6Opik6.5Free plan$19/moAPI, Linux, self-hosted, Web
7Strands Evals6.5Free planFreeAPI, Linux, Mac, self-hosted, Windows
8AgentClash6.4Free plan$49/moAPI, self-hosted, Web
9Arklex6.4Free planFreeAPI, Linux, self-hosted
10Braintrust6.4Free plan$249/moAPI, self-hosted, Web
11Galileo6.4Free plan$100/moAPI, self-hosted, Web
12Giskard6.4Free planFreeAPI, Linux, self-hosted, Web
13Google Cloud Agent Evaluation6.4No—API, Web
14LangSmith6.4Free plan$39/moAPI, self-hosted, Web
15LangWatch6.4Free plan€29/moAPI, Linux, self-hosted, Web
16Maxim AI6.4Free plan$29/moAPI, self-hosted, Web
18HoneyHive6.3Free planFreeAPI, self-hosted, Web
19MLflow GenAI Evaluation6.3Free planFreeAPI, self-hosted, Web
20Parea AI6.3Free plan$150/moAPI, self-hosted, Web
21VRUNAI6.3Free planFreeWeb
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Questions about Tangle alternatives

What is the best alternative to Tangle?

Future AGI AI Evaluation SDK, number 1 in AI agent evaluation tools with a score of 6.6 out of 10. The others here: Promptfoo, W&B Weave, DeepEval and 16 more.

What is the best free alternative to Tangle?

Future AGI AI Evaluation SDK is the best-ranked alternative with a free plan. 19 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.