Cybersecurity · head to head
Tenable vs Chainguard

Tenable
Cybersecurity
AI-powered exposure management platform for unified security visibility
- From
- $3500/year
- Rated
- -

Chainguard
Cybersecurity
Secure-by-default open source software with hardened container images and libraries
- From
- Free
- Rated
- -
The short version
- Only Chainguard has a free tier, so it costs nothing to try first.
- Each has a real cost: Tenable pricing starts at $3500/year for Tenable One VM, expensive for small organizations; Chainguard containers Catalog at 19,000 USD/year expensive for teams under 10 people
- They diverge on capability: Tenable covers Unified attack surface mapping, Chainguard covers Hardened container images.
Where they differ
Only the attributes on which Tenable and Chainguard actually diverge.
| Attribute | Tenable | Chainguard |
|---|---|---|
| Starting price | $3500/year | Free |
| Pricing model | subscription | Licensing by artifact type and team size |
| Free tier | No | Yes |
| Platforms | Cloud, Web | Cloud, Container, VM |
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 Tenable
- Unified attack surface mapping
- Exposure intelligence enrichment
- Tenable Hexa AI orchestration
- Cloud Exposure (CNAPP)
- OT Exposure
- Identity Exposure
- Vulnerability Management
- Attack Surface Management
Only in Chainguard
- Hardened container images
- CVE remediation SLA
- SLSA L2/L3 builds
- Sigstore signatures
- SBOM generation
- Language libraries
- VM images
- Artifact scanning
What people use each for
The jobs each tool is most often brought in to do.
Tenable
- Comprehensive vulnerability scanning for enterprise networksnot Chainguard
- Cloud security monitoring and compliance for AWS, Azure, GCPnot Chainguard
- Identity and access management risk assessmentnot Chainguard
- Operational technology security for industrial systemsnot Chainguard
- Attack surface management for third-party risknot Chainguard
Chainguard
- Deploying hardened container images with minimal attack surfacenot Tenable
- Meeting supply chain security requirements for regulated industriesnot Tenable
- Reducing CVE exposure with contractual remediation guaranteesnot Tenable
- Building secure language packages with automatic backportsnot Tenable
- Verifying artifact provenance with Sigstore signaturesnot Tenable
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
Chainguard
- Containers Catalog at 19,000 USD/year expensive for teams under 10 people
- Per-image pricing for containers requires custom quotes with no transparency
- Free tier limited to 5 container images for testing
- Libraries pricing by ecosystem and developer count lacks transparent per-developer cost
- VM image catalog pricing opacity makes cost estimation difficult
Pricing, plan by plan
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: $400/year
Chainguard
Free- Free TierFree
- Five container images to test and deploy
- Containers Per-Image$undefined/custom
- Licensed by quantity and type
- Base images, application images, AI/ML images, FIPS variants
- Custom pricing per image
- Containers Catalog$19000/year
- For 10-person engineering teams
- 2,000+ container images
- Contractual CVE remediation SLAs
- Libraries Licensing$undefined/custom
- Licensed by ecosystem (Python, Java, JavaScript)
- Licensed by developer count
- Unlimited pulls with no metering
Which should you pick?
Choose Tenable if
- You need unified attack surface mapping.
- You work on Cloud, Web.
- You also want exposure intelligence enrichment.
Choose Chainguard if
- You need hardened container images.
- You want to start without paying.
- You work on Cloud, Container, VM.
- You also want cve remediation sla.
Questions people ask
- Is Tenable or Chainguard better?
- Neither clearly leads. Tenable starts at $3500/year and Chainguard at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Tenable or Chainguard?
- Chainguard has a free tier; the other does not. Paid plans start at $3500/year for Tenable and Free for Chainguard.
- Does Tenable or Chainguard run on more platforms?
- Tenable runs on Cloud, Web. Chainguard runs on Cloud, Container, VM.
- Can I use Chainguard for free?
- Yes. Chainguard has a free tier, so you can try it without paying. Tenable starts at $3500/year.
- What is Tenable best used for?
- Tenable is most often used for comprehensive vulnerability scanning for enterprise networks, cloud security monitoring and compliance for aws, azure, gcp, identity and access management risk assessment, operational technology security for industrial systems. Of those, comprehensive vulnerability scanning for enterprise networks and cloud security monitoring and compliance for aws, azure, gcp are not what Chainguard is typically brought in for.
- What can Tenable do that Chainguard cannot?
- Tenable covers Unified attack surface mapping, Exposure intelligence enrichment, Tenable Hexa AI orchestration, Cloud Exposure (CNAPP). Chainguard covers Hardened container images, CVE remediation SLA, SLSA L2/L3 builds, Sigstore signatures.
Answered from the vendors’ own pages
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.
SourceChainguard: How much is the Chainguard Containers Catalog?
The Containers Catalog is 19,000 USD per year for 10-person engineering teams, providing access to 2,000+ hardened container images.
SourceTenable: 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.
SourceChainguard: What SLAs does Chainguard offer?
Chainguard provides contractual CVE remediation SLAs: 7 days for critical vulnerabilities, 14 days for high/medium/low severity, all with priority support.
SourceTenable: Are custom support and training available for Tenable?
Yes. Optional advanced support is available for $400/year. Training courses range from $275-$385/year.
SourceChainguard: Can I try Chainguard before purchasing?
Yes. The free tier includes five container images for testing and deployment, allowing hands-on evaluation.
SourceRelated pages
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