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Best Arize AX Alternatives in 2026

12 apps from AI agent observability tools ranked against Arize AX on the same published basis.

  1. 1
    Opik Free plan apiLinuxself-hostedWeb $19/mo8.2
    Arize AX vs Opik
  2. 2
    Langfuse Free plan apiself-hostedWeb $29/mo8.1
    Arize AX vs Langfuse
  3. 4
    SigNoz Free plan AndroidapiiOSself-hostedWeb $19/mo7.7
    Arize AX vs SigNoz
  4. 5
    W&B Weave Free plan apiLinuxMacself-hostedWeb $60/mo7.6
    Arize AX vs W&B Weave
  5. 6
    Laminar Free plan apiself-hostedWeb $30/mo7.5
    Arize AX vs Laminar
  6. 7
    OpenLIT Free plan apiLinuxMacself-hostedWeb Free7.4
    Arize AX vs OpenLIT
  7. 8
    Traceloop Free plan apiself-hostedWeb Free7.4
    Arize AX vs Traceloop
  8. 9
    Helicone Free plan apiself-hostedWeb $79/mo7.3
    Arize AX vs Helicone
  9. 10
    Respan (formerly Keywords AI) Free plan apiself-hostedWeb $16.58/mo7.2
    Arize AX vs Respan (formerly Keywords AI)
  10. 11
    MLflow Tracing Free plan apiself-hostedWeb Free7.0
    Arize AX vs MLflow Tracing
  11. 12
    TraceRoot Free plan Web $30/mo6.9
    Arize AX vs TraceRoot
  12. 13
    Arize Phoenix Web 6.8
    Arize AX vs Arize Phoenix
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