Arize
Arize AX ingests agent traces and signals, runs online/offline evaluations, and stores traces for investigation. It connects to common language model tooling and cloud data platforms and includes an assistant called Alyx for evals and debugging. Workflow: send traces, run evals, inspect metrics, and iterate agent fixes.
The vendor lists three tiers on its pricing page: AX Free (Free), AX Pro ($50 per month), and AX Enterprise (Custom). Each tier shows included trace spans, storage, retention, deployment mode, and support differences; the page uses '$' for Pro but does not name a currency.Is Arize right for you?
Good for
- Engineering teams running production agents who need agent-native tracing, evals, and integrations with language model tooling and data platforms.
- Built on open standards (OpenInference and OpenTelemetry) to make tracing interoperable with other tooling and data platforms.
- Includes an in-product AI engineering assistant (Alyx) that the vendor describes as running evals, debugging issues, and improving agents.
Keep in mind
- The Free tier documents short trace retention (15 days) and small storage, so long-term historical traces require a higher tier or custom plan.
- Self-hosted deployment is shown only under Enterprise, so self-hosting requires engaging sales for a custom Enterprise plan.
- If you require self-hosting or extended retention without contacting sales, confirm those deployment and retention options first since self-hosting and custom retention are shown under Enterprise.
Pricing and plan limits
AX Free and AX Pro list concrete monthly quotas and retention; AX Enterprise is a custom plan where deployment can be SaaS or self-hosted. The pricing page displays a '$' symbol but does not specify which currency that represents.
More about capabilities and limits
Documented strengths
Built on open standards (OpenInference and OpenTelemetry) to make tracing interoperable with other tooling and data platforms.
Includes an in-product AI engineering assistant (Alyx) that the vendor describes as running evals, debugging issues, and improving agents.
Limitations to consider
The Free tier documents short trace retention (15 days) and small storage, so long-term historical traces require a higher tier or custom plan.
Self-hosted deployment is shown only under Enterprise, so self-hosting requires engaging sales for a custom Enterprise plan.
Choosing a plan
Use AX Free or Pro to validate trace ingestion and retention needs, then engage Arize sales to confirm Enterprise self-hosting, retention, and support terms for scaled deployments.
Based on the linked product documentation.
Available on
Web.
Official sources
Alternatives to Arize
Choose around the work you need to do.
Braintrust
Use Braintrust for end-to-end agent observability that captures nested traces, scores outputs automatically, and provides dashboards to monitor latency, cost, and quality across deployed language model agents.
