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Best Arthur Alternatives in 2026

12 apps from model monitoring software ranked against Arthur on the same published basis.

  1. 1
    Evidently AI Free plan apiLinuxMacself-hostedWeb $80/mo7.3
    Arthur vs Evidently AI
  2. 2
    W&B Weave Free plan apiLinuxMacself-hostedWeb $60/mo7.3
    Arthur vs W&B Weave
  3. 3
    OpenLIT Free plan apiLinuxMacself-hostedWeb Free7.2
    Arthur vs OpenLIT
  4. 4
    Opik Free plan apiLinuxself-hostedWeb $19/mo7.1
    Arthur vs Opik
  5. 5
    Deepchecks Free plan apiLinuxself-hostedWeb Free7.0
    Arthur vs Deepchecks
  6. 6
    NannyML Free plan apiLinuxself-hostedWeb $399/mo7.0
    Arthur vs NannyML
  7. 7
    Qualdo-MQX Free plan apiself-hostedWeb $79/mo7.0
    Arthur vs Qualdo-MQX
  8. 9
    Braintrust Free plan apiself-hostedWeb $249/mo6.9
    Arthur vs Braintrust
  9. 10
    Galileo Free plan apiself-hostedWeb $100/mo6.9
    Arthur vs Galileo
  10. 11
    Helicone Free plan apiself-hostedWeb $79/mo6.9
    Arthur vs Helicone
  11. 12
    Laminar Free plan apiself-hostedWeb $30/mo6.9
    Arthur vs Laminar
  12. 13
    Langfuse Free plan apiself-hostedWeb $29/mo6.9
    Arthur vs Langfuse
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