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It's a split decision.
SolarWinds Observability is a hybrid monitoring platform with SaaS, self-hosted and hybrid deployment options; choose it if you want node-based pricing and monitoring across infrastructure, applications and databases. Splunk combines security and observability on a machine-data platform, with cloud and self-managed deployments, OpenTelemetry support and 2,000+ Splunkbase apps. Choose Splunk for its wider data and security scope. Compare the billable unit, data needs and API fit before committing: their pricing models differ.
01Side by side
| SolarWinds Observability | Splunk | |
|---|---|---|
| Pricing model | Self-hosted starts at $8 per node monthly | Usage-based platform; observability plans priced per host |
| Free tier | 30-day fully functional trial | Free Observability Cloud and Agent Observability editions |
| Self-hosting | Self-hosted; deploy behind firewall or in cloud | On-prem, private-cloud, hybrid or air-gapped |
| API and SDKs | Public API included with SaaS | Native OpenTelemetry support, SDKs and agents |
| Integrations | Specific Observability integrations not listed | 2,000+ apps and integrations on Splunkbase |
| Deployment model | SaaS, self-hosted or hybrid | Cloud, on-prem, private cloud or hybrid |
| Platforms | Web | Web |
| Limits and scaling | Node-based; nodes can span multiple instances | Petabyte-scale platform; activity, ingest or workload pricing |
SolarWinds Observability Choose SolarWinds Observability if
- Choose SolarWinds Observability if you need hybrid monitoring across infrastructure, apps and databases.
- Choose SolarWinds Observability if self-hosted, SaaS and hybrid deployment choices matter.
- Choose SolarWinds Observability if a published $8-per-node starting price fits your evaluation.
Splunk Choose Splunk if
- Choose Splunk if security and observability need to share a machine-data platform.
- Choose Splunk if you need OpenTelemetry support and a large integration ecosystem.
- Choose Splunk if you need on-prem, private-cloud or air-gapped deployment options.
02Pricing at real usage
SolarWinds lists a 30-day fully functional trial. Its Self-Hosted plan starts at $8 per node per month; the SaaS plan is priced per node per month, but SolarWinds does not publish a price. Ask for a quote based on your node count and deployment. The pricing page says multi-year contracts are billed annually, without a separate monthly rate.
Splunk offers free editions for Observability Cloud and Agent Observability. Its Observability Cloud Infrastructure plan is $15 per host per month, App & Infra is $60, and End-to-End is $75. Those prices are monthly equivalents billed annually. Agent Observability is listed at $100 per 1.2 million spans per month, also billed annually. Splunk Cloud Platform and Enterprise use activity-, ingest- or workload-based pricing. The bill therefore depends on the plan and what you send or run; request an estimate against expected volume.
03API, SDKs and integration
SolarWinds includes a public API with Observability SaaS and describes fitting into an existing tech stack. Its homepage highlights automatic dependency mapping, event correlation and root-cause investigation, but does not name specific Observability integrations, SDK languages or API protocols. Check the API reference for authentication, endpoint coverage and versioning before planning an integration.
Splunk cites native OpenTelemetry support, SDKs and agents. Splunkbase lists more than 2,000 integrations and apps, giving teams a larger named ecosystem to evaluate. The product pages do not specify SDK languages or CLI support, so confirm those against the documentation for the products you plan to deploy. For either platform, verify how telemetry is collected, whether existing instrumentation works, and how custom data reaches search and alert workflows. Splunk’s federated search can query telemetry where it lives across tiered data; SolarWinds emphasizes cross-environment context and event correlation.
04Open source, self-hosting and lock-in
Neither vendor identifies an open-source licence for these products. Confirm commercial licence terms, redistribution rights and any limits on moving data between deployment types before procurement.
SolarWinds offers self-hosted deployment behind a firewall or in AWS, Azure or GCP, as well as SaaS and hybrid options. It also says teams can allocate nodes across multiple instances. Splunk Enterprise supports on-premises, private-cloud and air-gapped deployment; Splunk Cloud Platform is hosted. These options provide deployment control, but do not establish how easy it is to move stored data or configuration. Ask both vendors about raw-data export, retention, export formats, API access, egress charges and migration of dashboards, alerts and rules. Test those requirements against your exit plan before storing long-term telemetry.
Questions people ask
What is Splunk Observability Cloud?
Splunk Observability Cloud is Splunk’s hosted observability product for monitoring infrastructure, applications and user experience. Its listed plans cover infrastructure monitoring, application performance monitoring, real-user monitoring and synthetic monitoring. Splunk also lists a free edition and paid plans priced per host.
Do people still use SolarWinds?
SolarWinds’ homepage says the company has more than 300,000 customers and presents Observability as a product for hybrid IT monitoring. That company-wide figure does not show how many customers use this specific product. Teams evaluating it should validate fit against their monitoring coverage and deployment requirements.
Can SolarWinds Observability and Splunk be self-hosted?
Yes. SolarWinds offers a self-hosted option that can run behind a firewall or in AWS, Azure or GCP. Splunk Enterprise supports on-premises, private-cloud and air-gapped deployments. Both also offer hosted options, so deployment control does not require choosing the same operating model.
Which is cheaper, SolarWinds Observability or Splunk?
There is no direct price match: SolarWinds Self-Hosted starts at $8 per node per month, while Splunk Observability Cloud plans start at $15 per host per month. Splunk also has free editions and usage-based products. Compare node and host counts, required features, telemetry volume and annual billing.