Infrastructure Monitoring Tools

Datadog vs Nagios XI

Compare Datadog and Nagios XI side-by-side. See feature differences and pricing in the Infrastructure Monitoring Tools category.

Datadog

by Datadog

No reviews yet

Pricing: Infrastructure Free for up to 5 hosts; Pro $18 per host a month billed monthly, $15 billed annually

Datadog is infrastructure monitoring software for DevOps and SRE teams watching cloud, container and on-premise hosts, with a free plan for small fleets.

17 /17 features Full profile

Nagios XI

by Nagios

No reviews yet

Pricing: One-time perpetual license by node count. Free for 7 nodes or 100 services; Standard from $2,595 for 100 nodes; Enterprise from $4,690; 2000+ nodes by quote. 30-day trial.

Nagios XI is self-hosted IT infrastructure and network monitoring software built on open-source Nagios Core, sold as a perpetual license by node count.

6 /17 features Full profile

Feature Comparison

Infrastructure Monitoring Tools features side-by-side

Feature	Datadog 17/17 features	Nagios XI 6/17 features
Cloud provider metric integrations Pulls metrics from AWS, Azure and Google Cloud services through their monitoring APIs without an agent.	Yes	No
Kubernetes cluster monitoring Reports pod, node and deployment health with cluster-level dashboards available out of the box.	Yes	Yes
Container-level metrics Collects CPU, memory, network and restart counts per container from Docker or the container runtime.	Yes	Yes
Host map visualization Shows every host as a tile coloured by a chosen metric and grouped by any tag.	Yes	No
Tag-based grouping and filtering Slices every dashboard, alert and view by environment, team, region or a custom tag.	Yes	No
Prebuilt dashboards for common services Ships ready-made dashboards for databases, queues, web servers and other common integrations.	Yes	No
Anomaly alerts on infrastructure metrics Alerts when a host or service metric departs from its learned pattern instead of a fixed threshold.	Yes	No
Alert routing to chat and paging tools Sends alerts to chat channels and on-call paging services through built-in integrations.	Yes	Yes
Custom metrics via StatsD or an API Accepts application-defined metrics submitted through StatsD, DogStatsD-style clients or an HTTP API.	Yes	No
Prometheus endpoint scraping Scrapes Prometheus exporters and /metrics endpoints with the agent and stores them alongside other metrics.	Yes	No
Serverless function metrics Tracks invocations, duration, errors and cold starts for AWS Lambda and equivalent services.	Yes	No
Configuration change tracking Records changes to cloud resources and host configuration so incidents can be lined up against them.	Yes	No
Custom dashboard builder Builds dashboards from drag-and-drop widgets with template variables that switch host or environment.	Yes	Yes
Metric retention of at least 13 months Keeps full or rolled-up metrics for 13 months or longer so year-on-year comparisons are possible.	Yes	No
Auto-discovery of hosts and containers New hosts, containers and cloud instances appear automatically as they launch with no manual registration.	Yes	No
On-premise and hybrid host support Runs the agent on physical servers and VMs in your own data centre, not only on cloud instances.	Yes	Yes
Free tier for a handful of hosts Offers a no-cost plan that monitors a small number of hosts with limited retention.	Yes	Yes
Overall Rating	No reviews yet	No reviews yet

Datadog 17/17 features

Cloud provider metric integrations: Yes
Kubernetes cluster monitoring: Yes
Container-level metrics: Yes
Host map visualization: Yes
Tag-based grouping and filtering: Yes
Prebuilt dashboards for common services: Yes
Anomaly alerts on infrastructure metrics: Yes
Alert routing to chat and paging tools: Yes
Custom metrics via StatsD or an API: Yes
Prometheus endpoint scraping: Yes
Serverless function metrics: Yes
Configuration change tracking: Yes
Custom dashboard builder: Yes
Metric retention of at least 13 months: Yes
Auto-discovery of hosts and containers: Yes
On-premise and hybrid host support: Yes
Free tier for a handful of hosts: Yes

No reviews yet

Nagios XI 6/17 features

Cloud provider metric integrations: No
Kubernetes cluster monitoring: Yes
Container-level metrics: Yes
Host map visualization: No
Tag-based grouping and filtering: No
Prebuilt dashboards for common services: No
Anomaly alerts on infrastructure metrics: No
Alert routing to chat and paging tools: Yes
Custom metrics via StatsD or an API: No
Prometheus endpoint scraping: No
Serverless function metrics: No
Configuration change tracking: No
Custom dashboard builder: Yes
Metric retention of at least 13 months: No
Auto-discovery of hosts and containers: No
On-premise and hybrid host support: Yes
Free tier for a handful of hosts: Yes

No reviews yet

Pricing

Datadog

Infrastructure Free for up to 5 hosts; Pro $18 per host a month billed monthly, $15 billed annually

See all plans

Nagios XI

One-time perpetual license by node count. Free for 7 nodes or 100 services; Standard from $2,595 for 100 nodes; Enterprise from $4,690; 2000+ nodes by quote. 30-day trial.

See all plans

Explore Each Product

Datadog Read reviews, features & pricing

Nagios XI Read reviews, features & pricing

Looking for more options?

Browse all Infrastructure Monitoring Tools