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Developer Tools · head to head

Ansible vs Tenable

Ansible logo

Ansible

Developer Tools

Simple, agentless IT automation

From
Free
Free plan
Yes
Full reviewWebsite
Tenable logo

Tenable

Cybersecurity

AI-powered exposure management platform for unified security visibility

From
$3500/year
Free plan
No
Full reviewWebsite

The short version

  • Only Ansible has a free tier, so it costs nothing to try first.
  • Each has a real cost: Ansible the open source project gives the engine and the language; the automation controller, automation mesh, automation hub, analytics and governance all belong to the paid Red Hat Ansible Automation Platform; Tenable pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • They diverge on capability: Ansible covers Playbooks, Tenable covers Unified attack surface mapping.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Ansible and Tenable actually diverge.

Attributes where Ansible and Tenable differ
AttributeAnsibleTenable
Starting priceFree$3500/year
Pricing modelopen-sourcesubscription
Free tierYesNo
PlatformsLinux, Windows, Mac, ApiCloud, Web
CategoryDeveloper ToolsCybersecurity
Founded2012Unknown

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Ansible

  • Playbooks
  • Inventory management
  • Module library
  • Variables and templating
  • Handlers
  • Roles
  • Async tasks
  • Plugins

Only in Tenable

  • Unified attack surface mapping
  • Exposure intelligence enrichment
  • Tenable Hexa AI orchestration
  • Cloud Exposure (CNAPP)
  • OT Exposure
  • Identity Exposure
  • Vulnerability Management
  • Attack Surface Management

What people use each for

The jobs each tool is most often brought in to do.

Ansible

  • Configuration managementnot Tenable
  • Server provisioningnot Tenable
  • Application deploymentnot Tenable
  • Multi-node managementnot Tenable
  • Orchestrationnot Tenable

Tenable

  • Comprehensive vulnerability scanning for enterprise networksnot Ansible
  • Cloud security monitoring and compliance for AWS, Azure, GCPnot Ansible
  • Identity and access management risk assessmentnot Ansible
  • Operational technology security for industrial systemsnot Ansible
  • Attack surface management for third-party risknot Ansible

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Ansible

  • The open source project gives the engine and the language; the automation controller, automation mesh, automation hub, analytics and governance all belong to the paid Red Hat Ansible Automation Platform
  • Event-Driven Ansible and the AI coding assistant are platform features rather than open source ones
  • Red Hat does not publish platform pricing
  • Running open source Ansible at scale means building the control plane the platform otherwise provides

Tenable

  • Pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • Many enterprise features require custom quote and sales engagement
  • Cloud Exposure, OT Exposure, and other modules have no published pricing
  • Multi-year contracts common, limiting flexibility
  • Setup and configuration complexity for enterprise deployments

Pricing, plan by plan

Ansible

Free
  • Open SourceFree
    • Community edition
    • Unlimited nodes
    • Full functionality
  • Ansible Automation Platform$5000/year
    • Enterprise support
    • Ansible Tower
    • Advanced features

Tenable

$3500/year
  • Tenable One Vulnerability Management$3500/year
    • Per 100 assets
    • Multi-year discounts available
  • Tenable One Web App Scanning$3578/year
    • Per 5 FQDNs
    • Annual subscription
  • Nessus Professional$4790/year
    • Vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year
  • Nessus Expert$6790/year
    • Advanced vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year

Which should you pick?

Choose Ansible if

  • You need playbooks.
  • You want to start without paying.
  • You work on Linux, Windows, Mac, Api.
  • You also want inventory management.
Ansible review

Choose Tenable if

  • You need unified attack surface mapping.
  • You work on Cloud, Web.
  • You also want exposure intelligence enrichment.
Tenable review

Questions people ask

Is Ansible or Tenable better?
Neither clearly leads. Ansible starts at Free and Tenable at $3500/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ansible or Tenable?
Ansible has a free tier; the other does not. Paid plans start at Free for Ansible and $3500/year for Tenable.
Does Ansible or Tenable run on more platforms?
Ansible runs on Linux, Windows, Mac, Api. Tenable runs on Cloud, Web.
Can I use Ansible for free?
Yes. Ansible has a free tier, so you can try it without paying. Tenable starts at $3500/year.
What is Ansible best used for?
Ansible is most often used for configuration management, server provisioning, application deployment, multi-node management. Of those, configuration management and server provisioning are not what Tenable is typically brought in for.
What can Ansible do that Tenable cannot?
Ansible covers Playbooks, Inventory management, Module library, Variables and templating. Tenable covers Unified attack surface mapping, Exposure intelligence enrichment, Tenable Hexa AI orchestration, Cloud Exposure (CNAPP).

Answered from the vendors’ own pages

Ansible: Is Ansible free for commercial use?

Ansible Collaborative is open source. The page describes it as 'an open source IT automation engine' and does not impose restrictions on commercial use for the open source version.

Source
Tenable: How is Tenable One pricing structured?

Tenable One Vulnerability Management costs $3500/year per 100 assets. Web App Scanning is $3578/year per 5 FQDNs. Multi-year discounts are available.

Source
Ansible: What is the difference between open source Ansible and the commercial alternative?

The page references Red Hat Ansible Automation Platform as an enterprise alternative to Ansible Collaborative, but does not disclose specific differences, pricing, or feature comparisons between the two offerings.

Source
Tenable: What is the difference between Nessus Professional and Nessus Expert?

Nessus Professional costs $4790/year and provides core vulnerability scanning. Nessus Expert costs $6790/year and offers advanced scanning capabilities.

Source
Ansible: Is there paid support available for Ansible?

The page does not disclose whether paid support contracts are available for open source Ansible or whether Red Hat offers support plans for their enterprise Ansible Automation Platform.

Source
Tenable: Are custom support and training available for Tenable?

Yes. Optional advanced support is available for $400/year. Training courses range from $275-$385/year.

Source
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