Comparison · ML observability
AgentShield vs
Arize Phoenix
Arize is enterprise ML observability built for data scientists. AgentShield is governance built for engineers running agents in production.
Feature
AgentShield
Arize Phoenix
Setup time
9 lines, 60 seconds
Hours/days
Pre-execution checks
Yes
No
Compliance reports
Auto
Custom build
Pricing
Free → $49/mo
Enterprise sales
Open source
Closed
Phoenix is OSS
Choose AgentShield when:
- Production-first: 9 lines of code, no dashboards to configure
- Pre-execution blocking, not just post-hoc analysis
- Audit-ready by default (Article 12)
- Affordable for solo founders and small teams
Choose Arize Phoenix when:
- You have a data science team that wants ML drift detection
- Enterprise budget for $$$$ tooling
- Use case is model evaluation, not agent runtime governance
Try it before deciding.
Run the Stress Test on your agent. 30 seconds. No signup. See if AgentShield fits your stack.