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Best Monitoring & Evaluation AI Tools

40 monitoring & evaluation tools, ranked by Stork's defensibility score — a human-reviewed verdict on which ones hold up as agents commoditize the rest.

  1. 1LLMTest32
  2. 2OpenMeter AI31
  3. 3Nightfall AI LLM Protection30
  4. 4Lakera Sense30
  5. 5Helicone29
  6. 6Weights & Biases Prompt Registry26
  7. 7Scale Validate26
  8. 8Braintrust Playground24
  9. 9Braintrust24
  10. 10Gretel Guardrails23
  11. 11HiddenLayer Malware Monitor23
  12. 12Ragas23
  13. 13Arena Agent Mode23
  14. 14Agent Arena23
  15. 15Pendo23
  16. 16AnswerLine23
  17. 17Lakera Red Team22
  18. 18Lakera Guardrails22
  19. 19Lakera Red Team22
  20. 20LMSys Chatbot Arena22
  21. 21Galileo AI22
  22. 22E2B Sandboxes19
  23. 23Weights & Biases Weave19
  24. 24Artificial Analysis19
  25. 25BuiltToWinWeb18
  26. 26Cortex17
  27. 27ShortsMonkey17
  28. 28Confident AI16
  29. 29CalypsoAI Moderator15
  30. 30HiddenLayer Horizon Red Team15
  31. 31Protect AI Red Team Ops15
  32. 32Lakera Red Team15
  33. 33Best Jev AI14
  34. 34Viral Manager13
  35. 35Truffle13
  36. 36SWEbench12
  37. 37WolfBench12
  38. 38SWE-Bench Pro12
  39. 39PromptLayer11
  40. 40PromptLayer Eval Harness11

Ranked by the Stork score — human-reviewed, recomputed as model capabilities ship.

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