Arthur AI pricing 2026: plans and costs
Quick pricing summary
- Free: $0 month
- Premium: $60 month
- Enterprise: Custom (custom)
- Worth noting: Open source Arthur Evals Engine available free on GitHub. Startup Partner Program for venture-backed AI agent startups. Enterprise pricing via sales.
Plans
Free
$0 month
- Monitor model performance with core metrics
- Cloud data connector integrations built-in
- Monitoring for up to 4 use cases
- Unlimited seats for your growing team
Premium
$60 month
- Everything in Free
- Robust capabilities to confidently ship AI agents
- Customizable performance metrics and dashboards
- Custom alerting & webhook integrations
- Monitoring for up to 100 use cases
Enterprise
Custom custom
- Everything in Premium
- Dedicated and managed VPC options
- Custom data, jobs, traces and evals
- Dedicated customer success manager
- Advanced monitoring, SSO, SLAs and BAA
What you get on each plan
| Feature | Free | Premium | Enterprise |
|---|---|---|---|
| Organizations | 1 | 1 | Unlimited |
| Workspaces | 1 | 1 | Unlimited |
| Projects | 2 | 10 | Unlimited |
| Users | Unlimited | Unlimited | Unlimited |
| Data features | Unlimited | Unlimited | Unlimited |
| Data retention | 7 days | 30 days | Unlimited |
| Jobs | 5k | 20k | Custom |
| Spans | 300k | 1.2M | Custom |
| Inferences | 12k | 100k | Custom |
| Evals | 3k | 75k | Custom |
| Custom alerts | 3 per model | Unlimited | Unlimited |
| Alert checks | 6 per hour | Unlimited | Unlimited |
| Professional services | Add-on | Add-on | Included |
Hidden costs & add-ons
| Cost driver | Price | When it applies |
|---|---|---|
| Professional services | Not published | Free, Premium (add-on); included in Enterprise |
List prices as published on www.arthur.ai/pricing. Totals are worked examples, not quotes.