Nagios XI Pricing (2026)
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- Starting price
- $2595/one-time (100 nodes, Standard)
- Free trial
- Free tier + 30 days
- Deployment
- On-prem
- Best for
- Teams wanting on-prem, perpetually-licensed infrastructure monitoring with a free open-source core
Nagios XI pricing starts at $2595/one-time (100 nodes, Standard). It uses a per device model, with a free tier. The table below lists every published plan; prices are stamped with the date we last verified them against the vendor's pricing page.
| Plan | Price | Billing | Limits / notes |
|---|---|---|---|
| Nagios Core / XI Free | Free | forever | Up to 7 nodes / 100 services; self-supported |
| XI Standard 100-node | $2595/one-time | perpetual | Config wizards, alerting, automation |
| XI Enterprise 100-node | $4690/one-time | perpetual | + SLA reports, capacity planning, audit logs |
Affiliate disclosure: Some links may be affiliate or partner links. If you sign up through one, we may earn a commission at no extra cost to you. This never changes our scores or rankings. Learn more.
Compare with Auvik pricing, PRTG Network Monitor pricing.
Is it worth it?
Nagios XI pricing starts at $2595/one-time (100 nodes, Standard). It uses a per device model, with a free tier. The table below lists every published plan; prices are stamped with the date we last verified them against the vendor's pricing page.
Pricing notes
Nagios XI is priced on a per device model, starting at $2595/one-time (100 nodes, Standard), with a free tier. Verified against the vendor pricing page as of 2026-06.
It publishes 3 plans: Nagios Core / XI Free (Up to 7 nodes / 100 services; self-supported), XI Standard 100-node (Config wizards, alerting, automation), XI Enterprise 100-node (+ SLA reports, capacity planning, audit logs). The table above lists exact per-unit prices and billing terms.
Frequently asked questions
- How much does Nagios XI cost?
- Nagios XI starts at $2595/one-time (100 nodes, Standard), billed on a per device basis.
- Does Nagios XI have a free trial?
- Yes — Nagios XI offers a free tier.