Last updated 08-21-2026
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Arize AI
Arize AI traces, evaluates, and improves AI agents in production so engineering teams can see what went wrong without spelunking raw logs. The analytics platform targets chatbots, RAG pipelines, copilots, and multi-agent systems where basic uptime monitoring misses the quality problems users actually hit.
In August 2026 Arize signed a definitive agreement to be acquired by Dynatrace, pairing Arize's agent trace data with Dynatrace's software observability stack. The product stack still centers on Arize AX for enterprise teams and Phoenix, an open-source tracing tool built on OpenInference and OpenTelemetry standards.
Alyx, an in-app engineering agent, runs evals, debugs traces, and suggests fixes inside the same workflow. Production teams at Reddit, DoorDash, Uber, Spotify, and PepsiCo use Arize, with 40+ integrations across OpenAI, Anthropic, LangChain, LangGraph, LlamaIndex, CrewAI, and Amazon Bedrock, plus SaaS or self-hosted deployment with SOC 2 Type II, ISO 27001, HIPAA, and GDPR compliance.
Trace every LLM call, tool step, and agent path with OpenTelemetry-native instrumentation
Alyx runs evals and debugs production issues inside the app
Harness-as-a-Judge builds scalable evals from live agent telemetry
ADB stores traces at scale and syncs to BigQuery, Databricks, or Snowflake
Phoenix open source supports local or self-hosted tracing with full data control
40+ integrations across OpenAI, Anthropic, LangGraph, CrewAI, and Bedrock
Open-source Phoenix and OpenInference standards avoid proprietary trace lock-in.
Free tier includes 25k spans per month with Alyx and online evals.
Enterprise certifications include SOC 2 Type II, ISO 27001, HIPAA, and GDPR.
Integrates with 40+ LLM frameworks and cloud providers out of the box.
Enterprise features like adb Data Fabric and HIPAA require the custom Enterprise plan.
Free tier retention is limited to 15 days, which may be tight for production debugging.
Does Arize AI have a free plan?
Yes. Arize AX Free includes 25,000 trace spans and 1 GB of ingestion per month with 15-day retention, plus Alyx, online evals, and community support. Paid AX Pro and custom Enterprise plans add higher limits, longer retention, and dedicated support.
What frameworks does Arize AI integrate with?
Arize AI integrates with 40+ models, frameworks, and AI tools, including OpenAI, Anthropic, Google, Amazon Bedrock, LangGraph, LangChain, LlamaIndex, CrewAI, OpenAI Agents SDK, and DSPy. Instrumentation follows OpenInference and OpenTelemetry standards.
What is the difference between Phoenix and Arize AX?
Phoenix is Arize's open-source platform for tracing, evaluation, and prompt iteration that you can run locally or self-host. Arize AX is the managed enterprise platform built on the same standards, adding adb datastore infrastructure, advanced agent observability, online evals, and continual improvement workflows.
How does Arize AI handle data privacy?
Arize AI supports flexible deployment options including self-hosting, with certifications including SOC 2 Type II, ISO 27001, PCI DSS, HIPAA, and GDPR. Data regions include US, EU, and Canada on paid plans, and Phoenix lets teams keep traces on their own infrastructure.
Can I self-host Arize AI?
Yes. Phoenix can be deployed locally, via Docker, or on Kubernetes with full control over trace data. Arize AX Enterprise is available as SaaS or self-hosted, with add-ons for data residency and multi-region deployments.
What does Alyx do in Arize AX?
Alyx is Arize's in-app AI engineering agent. It can run evals, debug spans and traces, create dashboards, optimize prompts, and search across trace data to help teams investigate and fix agent issues faster.