Best Arize AX Alternatives in 2026
Updated
20 platforms from AI agent observability tools ranked against Arize AX on the same published basis.
- 1Arize AX vs W&B Weave
- 2Arize AX vs SigNoz
- 3Arize AX vs Opik
- 4Arize AX vs Traccia
- 5Arize AX vs VoltOps
- 6Arize AX vs Helicone
- 7Arize AX vs Maxim AI
- 8Arize AX vs PetalTrace
- 9Arize AX vs Respan (formerly Keywords AI)
- 10Arize AX vs OpenLIT
- 11Arize AX vs Agenta
- 12Arize AX vs TraceRoot
- 14Arize AX vs Braintrust
- 15Arize AX vs Galileo
- 16Arize AX vs Laminar
- 17Arize AX vs Langfuse
- 18Arize AX vs LogicGaze
- 19Arize AX vs MLflow Tracing
- 20Arize AX vs Traceloop
- 21Arize AX vs Observe
Arize AX alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | W&B Weave | 7.9 | Free plan | $60/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | SigNoz | 7.8 | Free plan | $19/mo | Android, API, iOS, self-hosted, Web |
| 3 | Opik | 7.7 | Free plan | $19/mo | API, Linux, self-hosted, Web |
| 4 | Traccia | 7.7 | Free plan | $99/mo | API, Web |
| 5 | VoltOps | 7.7 | Free plan | $50/mo | API, self-hosted, Web |
| 6 | Helicone | 7.6 | Free plan | $79/mo | API, self-hosted, Web |
| 7 | Maxim AI | 7.6 | Free plan | $29/mo | API, self-hosted, Web |
| 8 | PetalTrace | 7.5 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 9 | Respan (formerly Keywords AI) | 7.5 | Free plan | $16.58/mo | API, self-hosted, Web |
| 10 | OpenLIT | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 11 | Agenta | 7.1 | Free plan | $29/mo | API, self-hosted, Web |
| 12 | TraceRoot | 7.1 | Free plan | $30/mo | Web |
| 14 | Braintrust | 7.0 | Free plan | $249/mo | API, self-hosted, Web |
| 15 | Galileo | 7.0 | Free plan | $100/mo | API, self-hosted, Web |
| 16 | Laminar | 7.0 | Free plan | $30/mo | API, self-hosted, Web |
| 17 | Langfuse | 7.0 | Free plan | $29/mo | API, self-hosted, Web |
| 18 | LogicGaze | 7.0 | Free plan | Free | API, self-hosted, Web |
| 19 | MLflow Tracing | 7.0 | Free plan | Free | API, self-hosted, Web |
| 20 | Traceloop | 7.0 | Free plan | Free | API, self-hosted, Web |
| 21 | Observe | 6.9 | No | — | API, Linux, Mac, Web, Windows |
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Questions about Arize AX alternatives
What is the best alternative to Arize AX?
W&B Weave, number 1 in AI agent observability tools with a score of 7.9 out of 10. The others here: SigNoz, Opik, Traccia and 16 more.
What is the best free alternative to Arize AX?
W&B Weave 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 on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.