kitio.aiArthur vs Prediction Guard
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Arthur starts at $60/mo and Prediction Guard starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Agent discovery
- Step-level tracing
- Runtime guardrails
- Audit logs and lineage
- Custom metrics and alerts
- Agent access controls
- Runtime policy enforcement
- Agent audit trail
- Air-gapped deployment
- AIBOM export
| Feature | Arthur | Prediction Guard |
|---|---|---|
| Best for | Discovery, monitoring and governance for enterprise AI agents | Self-hosted control plane for governing what AI agents can do |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Paid |
| Starting price | $60/mo | See pricing page |
| Free plan | Yes | No |
| Made by | Arthur AI | Prediction Guard |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Arthur starts at $60/mo and Prediction Guard starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Up to 4 monitored use cases
- Unlimited seats
- Cloud data connectors
Premium
$60/mo
- Up to 100 use cases
- Custom metrics and dashboards
- Custom alerts and webhooks
Enterprise
Contact sales
- Dedicated infrastructure
- Governance and support
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Arthur
- Finds shadow agents across environments
- Free tier with unlimited seats
- Covers security and evaluation together
- Free tier monitors only 4 use cases
- Enterprise features need a sales call
- Broad platform takes time to set up
Prediction Guard
- Runs inside your own infrastructure
- Controls mapped to NIST and OWASP
- Air-gapped option for strict sites
- Enterprise pricing through sales
- Overkill for small teams
- Requires infrastructure work to deploy
Which one should you choose?
Choose Arthur if you want:
- Finds shadow agents across environments
- Free tier with unlimited seats
- Covers security and evaluation together
Watch out: free tier monitors only 4 use cases.
Choose Prediction Guard if you want:
- Runs inside your own infrastructure
- Controls mapped to NIST and OWASP
- Air-gapped option for strict sites
Watch out: enterprise pricing through sales.
Arthur vs Prediction Guard FAQ
What is the difference between Arthur and Prediction Guard?
Arthur: Discovery, monitoring and governance for enterprise AI agents. Prediction Guard: Self-hosted control plane for governing what AI agents can do. Both are models & apis tools.
Is Arthur or Prediction Guard cheaper?
Arthur starts at $60/mo and Prediction Guard starts at See pricing page. Check both pricing pages for current plans.
Do Arthur and Prediction Guard have free plans?
Arthur: Yes. Prediction Guard: No.
Who makes Arthur?
Arthur is made by Arthur AI, based in United States.
Who makes Prediction Guard?
Prediction Guard is made by Prediction Guard, based in United States.
Which should I choose, Arthur or Prediction Guard?
Choose Arthur if you value finds shadow agents across environments and free tier with unlimited seats. Choose Prediction Guard if you value runs inside your own infrastructure and controls mapped to nist and owasp.