Tenable One Pricing 2026: Plans, Costs & Free Options
Last Updated: May 2026
AI-powered exposure management platform unifying vulnerability cloud and identity security. This page breaks down Tenable One's Enterprise pricing model, what it includes, and how it compares to free alternatives in the Vulnerability Management category.
Pricing Overview
Pricing Model
Enterprise
This means pricing is custom and quoted per organization. Expect to contact sales, sign an annual contract, and negotiate based on seats, scope, and SLA requirements.
Is Tenable One Free?
No. Tenable One requires a paid subscription. There is no free tier available, though some plans may offer a free trial.
Is Tenable One Worth It?
Tenable One is rated 4.6/5 in our Vulnerability Management directory and uses a Enterprise pricing model, so it is best suited for teams with budget allocated to commercial security tooling. The paid plans typically include vendor support, regular updates, and integrations that free alternatives lack. For Vulnerability Management workflows where reliability and SLAs matter, Tenable One is worth the investment, particularly for organizations that cannot dedicate engineers to self-hosting open-source equivalents. Always request a demo and compare it against the free alternatives below before committing.
Cheaper Alternatives
If Tenable One's pricing is out of budget, these Vulnerability Management tools offer free or freemium options:
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Nuclei Scanner
Free/OSS
Fast open-source vulnerability scanner with template-based detection and community contributions.
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Censys ASM
Freemium
Attack surface management platform with continuous internet-wide scanning and asset discovery.
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Vicarius vRx
Freemium
Autonomous vulnerability remediation platform using AI-generated patchless protection scripts
Compare
Frequently Asked Questions
How much does Tenable One cost?
Tenable One uses a Enterprise pricing model. This means pricing is custom and quoted per organization. Expect to contact sales, sign an annual contract, and negotiate based on seats, scope, and SLA requirements. For exact current pricing, visit the Tenable One website directly — vendors update tiers and quotas regularly.
Is there a free version of Tenable One?
No. Tenable One requires a paid subscription. There is no free tier available, though some plans may offer a free trial.
What are cheaper alternatives to Tenable One?
In the Vulnerability Management category, the most popular free or freemium alternatives are Nuclei Scanner, Censys ASM, Vicarius vRx. Each offers a comparable feature set at lower or zero cost — see our /alternatives page for full breakdowns.