Plerion Pleri (AI security engineer) vs Tenable One (Hexa AI)
Quick answer
Plerion Pleri (AI security engineer) (Plerion) and Tenable One (Hexa AI) (Tenable) are both listed in the Security category of Agent Index.
They share no framework tags in our dataset.
This is not a ranking.
Plerion Pleri (AI security engineer) (Plerion) and Tenable One (Hexa AI) (Tenable) are both listed in the Security category of Agent Index. They share no framework tags in our dataset. Only Tenable One (Hexa AI) is tagged for TX-RAMP.
| Field |  Plerion Pleri (AI security engineer) |  Tenable One (Hexa AI) |
|---|---|---|
| Vendor | Plerion | Tenable |
| HQ | Australia · Australia and New Zealand | United States · North America |
| Primary category | Security | Security |
| Also listed in | Security | Security, Risk |
| Summary | Sydney-based cloud and AI security platform with Pleri, an agent that investigates findings, checks real exploitability, raises fix PRs and Jira tickets, and follows each change through to merge. | Exposure management platform with Tenable Hexa AI agentic orchestration for vulnerability triage and remediation workflows. |
| Frameworks (vendor-stated) | — | TX-RAMP |
| Frameworks (vendor-claimed) | — | — |
| Capabilities / tasks | cloud security, vulnerability management, remediation, exposure management | vulnerability management, exposure management, remediation |
| Pricing (as published) | Published estimator on plerion.com/pricing: a fixed monthly Plerion bill set by combined monthly AWS/Azure/GCP spend (example shown: $100,000–$130,000 cloud bill → about $3,100–$3,700/month, USD), all capabilities and the agent included; 'Start free' option. | Not verified |
| Pricing model | published-tiers | quote |
| Primary source | https://www.plerion.com/agents | https://www.tenable.com/products/tenable-one/capabilities/hexa-ai |
| Last checked | 2026-10-18 | 2026-10-18 |
| Official site | https://www.plerion.com/agents | https://www.tenable.com/products/tenable-one |
FAQ (from this dataset)
What is the difference between Plerion Pleri and Tenable One?
Both are listed under Security. Shared tasks: vulnerability-management, remediation, exposure-management. Plerion Pleri-only tasks: cloud-security. Tenable One-only tasks: none. Differences are from stored category and task tags, not a ranking.
Which one publishes pricing?
Plerion Pleri (AI security engineer): Published estimator on plerion.com/pricing: a fixed monthly Plerion bill set by combined monthly AWS/Azure/GCP spend (example shown: $100,000–$130,000 cloud bill → about $3,100–$3,700/month, USD), all capabilities and the agent included; 'Start free' option. Tenable One (Hexa AI): Not published
Where are Plerion Pleri and Tenable One headquartered?
Plerion Pleri (AI security engineer) publishes HQ in Australia. Tenable One (Hexa AI) publishes HQ in United States.
Also in this use case
Other verified listings that share a task tag or use-case group with Plerion Pleri (AI security engineer) or Tenable One (Hexa AI). Open a pair page or the use-case table — this is not a ranking.
- Amnify security agents (agent-driven code audit, AI pentesting, PR review and autofix pull requests) — German AppSec product from Düsseldorf: a team of agents audits repositories (SAST, secrets, SCA, IaC, CI/CD) and cloud accounts, triages signals so only confirmed findings surface, pentests running apps inside a verified scope with a separate agent reproducing every finding, reviews pull requests with a merge-blocking status check, and opens fix pull requests that run your tests but never merge themselves.
- Covasant TPRM (agentic third-party risk management) — Third-party risk product from Hyderabad-headquartered Covasant. Purpose-built AI agents onboard vendors through due-diligence workflows, chase vendors who are slow to respond, keep watching news, sanctions and financial data, and, when risk thresholds break, open remediation workflows, track vendor responses, escalate unresolved issues and produce DORA, SOX and NIST reporting packages.
- noze CyberAgent (AI agent for continuous attack-surface monitoring, automated validation pentesting and NIS2 evidence) — Italian agent for mid-sized companies and NIS2 entities without an in-house SOC: after verifying domain control it continuously discovers assets and assesses network, web apps and APIs, correlates findings with EPSS and CISA KEV, confirms exploitability with automated validation pentests, ranks risks by business impact and prepares NIS2, DORA and ISO 27001 reports; the team decides what to fix. · noze CyberAgent (AI agent for continuous attack-surface monitoring, automated validation pentesting and NIS2 evidence) pair comparison
Use-case comparisons
- Cloud security (CNAPP) AI agents — 9 listings (Cloud and container security posture, exposure and remediation)
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