NagiosUnmatched IT monitoring of nearly any device anytime, anywhere, all in one location.
vs
SentryApplication monitoring software considered "not bad" by millions of developers.
Comparison · Observability · weekly run Nov 3
Nagios vs Sentry
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Sentry is the stronger AI pick in Observability: it has a visibility score of 4.7 versus 0 for Nagios.
Choose Nagios if…
No clear advantage in the published data.
Choose Sentry if…
- You want the brand AI engines rank higher (4.7 vs 0)
- You need SOC 2 Type II or ISO 27001 or HIPAA attestation or CAIQ or EU-US Data Privacy Framework self-certification coverage
- You prefer a larger, established vendor (201–500 employees)
- Most-used observability vendor with about 70% adoption in Ramp data
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Nagios | Sentry |
|---|---|---|
| Visibility score | 0% | 4.7% |
| Change vs last week | New | New |
| Rank in Observability | #40 | #14 |
| Share of voice | 0% | 1.5% |
| Mentions this run | 0 | 9 |
| Positive in AI answers | — | 44% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Nagios 0pp · Sentry 0pp over 0 weekly runs.
Engine by engine
Sentry leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
NagiosSentry
Head to head in AI answers
0 engine answers name both brands
0Nagios ranked higher
0Sentry ranked higher
Features, pricing & fit
| Dimension | Nagios | Sentry |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $26 / mo |
| Free plan | — | Yes |
| Deployment | Self-hosted on infrastructure you control, including air-gapped and regulated environments | Multi-tenant hosted service on Google Cloud Platform |
| Compliance | — | SOC 2 Type II, ISO 27001, HIPAA attestation, CAIQ, EU-US Data Privacy Framework self-certification |
| Support | Community forums, Customer Support Portal, Case Support under maintenance plans, Quickstart setup in 60 minutes | Community support via GitHub and Discord, Email support, Dedicated technical account manager on Business and Enterprise plans |
| Founded | 2007 | 2011 |
| Headquarters | Saint Paul, MN, United States | San Francisco, California, USA |
| Employees | 11–50 | 201–500 |
| Funding | Bootstrapped | Series E · $217M raised |
| Best for | IT teams that need self-hosted monitoring of servers, network devices and services, with licensing by node count. | Developer teams that want errors, traces, logs and replays connected in one tool |
Plans side by side
Nagios
Pricing not available.
Sentry
Developer$0forever, one user
Team$26per month, billed annually
Business$80per month, billed annually
EnterpriseCustomcustom, contact sales
Pros and cons
Themes from the AI answers that mention each brand
Nagios
Profile in progress.
Sentry
- Most-used observability vendor with about 70% adoption in Ramp data
- Strong for application error monitoring and tracking
- Good G2 ratings for developer workflows
- Listed among top observability options to evaluate
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Nagios vs Sentry”, https://slateindex.ai/compare/nagios-vs-sentry, data of Nov 3, 2026. Licence: CC BY 4.0.