AgentOps vs Arize Phoenix

Detailed side-by-side comparison to help you choose the right tool

AgentOps

🔴Developer

AI Observability

AgentOps review: developer observability for tracing, replaying, debugging, securing, and monitoring AI-agent sessions, tool calls, token use, and cost.

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Starting Price

Free
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Arize Phoenix

🔴Developer

AI Observability

Arize Phoenix is an open-source AI observability and evaluation platform for tracing, testing, and improving LLM applications and agents.

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Starting Price

Free
Full ReviewVisit Site

Feature Comparison

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FeatureAgentOpsArize Phoenix
CategoryAI ObservabilityAI Observability
Pricing Plans3 listed plans4 listed plans
Starting PriceFreeFree
Key Features
  • • Two-line SDK integration
  • • Time travel debugging
  • • Session replay analytics
  • • LLM Tracing & Observability
  • • Evaluation Framework
  • • Experiment Management

AgentOps - Pros & Cons

Pros

  • ✓Agent-native session view is easier to inspect than disconnected logs
  • ✓Broad framework coverage reduces custom instrumentation
  • ✓Free allowance supports low-risk evaluation
  • ✓Replay and cost views accelerate failure and spend analysis

Cons

  • ✗Dedicated pricing URL returned 404 during research
  • ✗Prompts and tool outputs can contain sensitive data
  • ✗Event usage may grow unpredictably in looping agents
  • ✗May overlap with OpenTelemetry and existing observability tools

Arize Phoenix - Pros & Cons

Pros

  • ✓Open-source Phoenix can run locally or on controlled infrastructure without a software license fee.
  • ✓OpenTelemetry tracing reduces instrumentation lock-in.
  • ✓Datasets, experiments, evaluations, and Prompt IDE connect evidence to changes.
  • ✓AX Free and Pro include unlimited users and evaluations at published prices.

Cons

  • ✗Self-hosting shifts upgrades, storage, access control, backups, and availability to the user's team.
  • ✗Agent runs can generate many spans, consuming 25,000 or 50,000 allowances quickly.
  • ✗Managed retention of 15 or 30 days may be short for audits or long incident cycles.
  • ✗Fetched pages did not explicitly document native MCP support.

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🔒 Security & Compliance Comparison

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Security FeatureAgentOpsArize Phoenix
SOC2—✅ Yes
GDPR—✅ Yes
HIPAA—❌ No
SSO—❌ No
Self-Hosted—✅ Yes
On-Prem—✅ Yes
RBAC—❌ No
Audit Log—❌ No
Open Source—✅ Yes
API Key Auth—✅ Yes
Encryption at Rest—✅ Yes
Encryption in Transit—✅ Yes
Data Residency—Available
Data Retention—configurable
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Review AgentOpsReview Arize Phoenix