Softwr

Cybersecurity · head to head

Tanium vs Tenable Nessus

Tanium logo

Tanium

Cybersecurity

Unified platform for real-time endpoint management, security and compliance

From
On request
Rated
-
Full reviewWebsite
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Tenable Nessus has a free tier, so it costs nothing to try first.
  • Each has a real cost: Tanium no public pricing is published, requiring a sales engagement to get a quote.; Tenable Nessus nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • They diverge on capability: Tanium covers Real-time endpoint queries, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Tanium and Tenable Nessus actually diverge.

Attributes where Tanium and Tenable Nessus differ
AttributeTaniumTenable Nessus
Starting priceOn requestFree
Pricing modelquotesubscription
Free tierNoYes
Platformsweb, windows, mac, linux, apiWindows, Linux, Macos, Cloud
Founded20072002

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

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 Tanium

  • Real-time endpoint queries
  • Single lightweight agent
  • Linear Chain Architecture
  • Vulnerability management
  • AI-driven remediation
  • Threat hunting

Only in Tenable Nessus

  • Network scanning
  • Vulnerability detection
  • Configuration assessment
  • Malware detection
  • Compliance checking
  • Cloud security assessment
  • Mobile scanning
  • API access

What people use each for

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

Tanium

  • Getting real-time visibility into all endpoints across a large enterprisenot Tenable Nessus
  • Patching operating systems and software at scale quicklynot Tenable Nessus
  • Continuous vulnerability scanning and risk scoringnot Tenable Nessus
  • Hunting for and remediating active threats across a fleetnot Tenable Nessus

Tenable Nessus

  • Vulnerability scanning of servers, network devices and web applicationsnot Tanium
  • Configuration and compliance auditing against hardening benchmarksnot Tanium
  • Point in time assessments by consultants and penetration testersnot Tanium

Where each one falls short

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

Tanium

  • No public pricing is published, requiring a sales engagement to get a quote.
  • Aimed at large enterprises, making it impractical for small teams or budgets.
  • Deployment and configuration of the agent-based architecture requires significant IT expertise.
  • Full value depends on adopting multiple Tanium modules, which can increase cost and complexity versus point solutions.

Tenable Nessus

  • Nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • Support beyond the base entitlement costs an extra $400 per year for Advanced Support with 24x365 phone and chat access
  • The on demand training course is a separate $275 purchase for a single person for one year
  • Multi year discounts require paying for two or three years up front

Pricing, plan by plan

Tanium

On request
  • Enterprise$undefined/mo
    • Custom endpoint volume pricing
    • Full platform modules
    • Dedicated support

Tenable Nessus

Free
  • Nessus EssentialsFree
    • Up to 16 ips
    • Network scanning
    • Vulnerability assessment
  • Nessus Professional$2600/year
    • Unlimited targets
    • Enterprise features
    • Advanced analytics
  • Nessus Expert$5200/year
    • All Professional features
    • Cloud integration
    • Advanced reporting

Which should you pick?

Choose Tanium if

  • You need real-time endpoint queries.
  • You work on web, windows, mac, linux, api.
  • You also want single lightweight agent.
Tanium review

Choose Tenable Nessus if

  • You need network scanning.
  • You want to start without paying.
  • You work on Windows, Linux, Macos, Cloud.
  • You also want vulnerability detection.
Tenable Nessus review

Questions people ask

Is Tanium or Tenable Nessus better?
Neither clearly leads. Tanium starts at On request and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Tanium or Tenable Nessus?
Tenable Nessus has a free tier; the other does not. Paid plans start at On request for Tanium and Free for Tenable Nessus.
Does Tanium or Tenable Nessus run on more platforms?
Tanium runs on web, windows, mac, linux, api. Tenable Nessus runs on Windows, Linux, Macos, Cloud.
Can I use Tenable Nessus for free?
Yes. Tenable Nessus has a free tier, so you can try it without paying. Tanium starts at On request.
What is Tanium best used for?
Tanium is most often used for getting real-time visibility into all endpoints across a large enterprise, patching operating systems and software at scale quickly, continuous vulnerability scanning and risk scoring, hunting for and remediating active threats across a fleet. Of those, getting real-time visibility into all endpoints across a large enterprise and patching operating systems and software at scale quickly are not what Tenable Nessus is typically brought in for.
What can Tanium do that Tenable Nessus cannot?
Tanium covers Real-time endpoint queries, Single lightweight agent, Linear Chain Architecture, Vulnerability management. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection.

Answered from the vendors’ own pages

Tanium: What is Tanium's pricing model?

Tanium does not publish pricing on its website. Interested customers must contact the company or request a demo to discuss pricing and capabilities.

Source
Tenable Nessus: What are the three Nessus offerings?

Nessus Essentials is a free introductory offering for educators, students, and career starters, limited to 16 IPs for scanning. Nessus Professional is designed for consultants and SMBs, providing unlimited IT scans across any location. Nessus Expert is the premium offering extending Professional with web application scanning, infrastructure-as-code scanning, and external attack surface assessment up to 5 domains.

Source
Tanium: Is there a Tanium free trial?

Tanium does not clearly advertise a free trial on its main website, directing customers to schedule a demo or contact sales for more information.

Source
Tenable Nessus: What OS platforms does Nessus support?

Nessus runs on Debian/Kali Linux, Fedora, FreeBSD, Mac OS X, Red Hat/CentOS, SUSE Linux, Ubuntu, and various Windows versions including Server 2008, 2012, and Windows 7-10.

Source
Tenable Nessus: Can I use Nessus to scan third-party networks as a consultant?

Yes, Tenable permits you to use Nessus to scan third-party networks. Nessus Professional is ideal for consultants.

Source
Tenable Nessus: Can Nessus perform PCI external scanning?

Yes, you can use Nessus Professional to perform external network scans as required by the PCI DSS 11.2.2 requirement.

Source
Tenable Nessus: What additional features does Nessus Expert provide?

Web application scanning, which is dynamic application security testing (DAST) providing comprehensive visibility and insight into web application security issues; scanning code repositories for vulnerabilities; and assessing external attack surface with subdomain discovery.

Source
Tenable Nessus: What support options exist for Nessus Professional?

Standard Support includes software upgrades, patches, plugin access, and 24x7 support via chat and community portal. Advanced Support adds 24x7 phone access and committed SLAs: P1 less than 2 hours, P2 less than 4 hours, P3 less than 12 hours, P4 less than 24 hours.

Source
Tenable Nessus: How frequently are Nessus plugins updated?

Nessus plugins are updated daily, based on when vendors and security research sites publish new vulnerabilities.

Source
Tenable Nessus: How does licensing work in virtual machine environments?

Whether you are using Nessus in a physical or a virtual environment, the IP addresses or hosts that you are scanning from must be licensed.

Source
Share

Related pages

More on Tanium

More on Tenable Nessus

Keep looking

Other head to heads