# Plainsea Agentic Penetration Testing Platform vs Tempest AI Security Test: side-by-side comparison (2026)

[Plainsea Agentic Penetration Testing Platform](https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Plainsea](https://cybersectools.com/companies/plainsea). [Tempest AI Security Test](https://cybersectools.com/tools/tempest-ai-security-test) is a commercial [AI red teaming](https://cybersectools.com/categories/ai-red-teaming) solution by [Tempest](https://cybersectools.com/companies/tempest). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Plainsea Agentic Penetration Testing Platform | Tempest AI Security Test |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Penetration Testing | AI Red Teaming |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Plainsea | Tempest |
| Headquarters | – | – |

### Use cases and capabilities

| | Plainsea Agentic Penetration Testing Platform | Tempest AI Security Test |
|---|---|---|
| AI Pentesting | Yes | Yes |
| Penetration Testing Framework | Yes | – |
| Continuous Testing | Yes | – |
| Red Team | Yes | Yes |
| Agentic AI Security | Yes | Yes |
| Vulnerability Prioritization | Yes | – |
| Security Reporting | Yes | – |
| VAPT | Yes | – |
| Security Validation | Yes | – |
| Generative AI | – | Yes |
| Prompt Injection | – | Yes |
| LLM Security | – | Yes |
| GenAI Security | – | Yes |
| Adversarial ML | – | Yes |
| GDPR | – | Yes |
| Vulnerability | – | Yes |

### Core features

**Plainsea Agentic Penetration Testing Platform**

10 features listed. Sign in on the page to see them.

**Tempest AI Security Test**

1 feature listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Plainsea Agentic Penetration Testing Platform](https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform) fits if you want a cloud product.
- [Tempest AI Security Test](https://cybersectools.com/tools/tempest-ai-security-test) fits if you need to run it on your own servers.

## Plainsea Agentic Penetration Testing Platform vs Tempest AI Security Test FAQ

Common questions when comparing Plainsea Agentic Penetration Testing Platform vs Tempest AI Security Test for penetration testing.

### What is the difference between Plainsea Agentic Penetration Testing Platform and Tempest AI Security Test?

**Plainsea Agentic Penetration Testing Platform**: Agentic AI platform for continuous, full-lifecycle penetration testing. Built by Plainsea.

**Tempest AI Security Test**: Red team testing service that identifies security vulnerabilities. Built by Tempest.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Plainsea Agentic Penetration Testing Platform and Tempest AI Security Test?

**Plainsea Agentic Penetration Testing Platform** is made by Plainsea. **Tempest AI Security Test** is made by Tempest. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Plainsea Agentic Penetration Testing Platform a good alternative to Tempest AI Security Test?

In part. Plainsea Agentic Penetration Testing Platform and Tempest AI Security Test are not in the same category on CybersecTools. Both cover AI Pentesting, Agentic AI Security, Red Team. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Plainsea Agentic Penetration Testing Platform vs AgentRidge](https://cybersectools.com/compare/agentridge-vs-plainsea-agentic-penetration-testing-platform)
- [Plainsea Agentic Penetration Testing Platform vs Parameter Pentesting](https://cybersectools.com/compare/parameter-pentesting-vs-plainsea-agentic-penetration-testing-platform)
- [Plainsea Agentic Penetration Testing Platform vs Strike PTaaS](https://cybersectools.com/compare/plainsea-agentic-penetration-testing-platform-vs-strike-ptaas)
- [Tempest AI Security Test vs AgentRidge](https://cybersectools.com/compare/agentridge-vs-tempest-ai-security-test)
- [Tempest AI Security Test vs Parameter Pentesting](https://cybersectools.com/compare/parameter-pentesting-vs-tempest-ai-security-test)
- [Tempest AI Security Test vs Strike PTaaS](https://cybersectools.com/compare/strike-ptaas-vs-tempest-ai-security-test)

## Alternatives to each

- [See all Plainsea Agentic Penetration Testing Platform alternatives](https://cybersectools.com/alternatives/plainsea-agentic-penetration-testing-platform)
- [See all Tempest AI Security Test alternatives](https://cybersectools.com/alternatives/tempest-ai-security-test)

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Source: https://cybersectools.com/compare/plainsea-agentic-penetration-testing-platform-vs-tempest-ai-security-test

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Plainsea Agentic Penetration Testing Platform and Tempest AI Security Test: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md