# Repello AI ARTEMIS vs Tempest AI Security Test: side-by-side comparison (2026)

[Repello AI ARTEMIS](https://cybersectools.com/tools/repello-ai-artemis) is a commercial [AI red teaming](https://cybersectools.com/categories/ai-red-teaming) solution by [Repello AI](https://cybersectools.com/companies/repello-ai). [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

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

### Use cases and capabilities

| | Repello AI ARTEMIS | Tempest AI Security Test |
|---|---|---|
| Threat Modeling | Yes | – |
| AI Pentesting | – | Yes |
| Generative AI | – | Yes |
| Agentic AI Security | – | Yes |
| Prompt Injection | – | Yes |
| LLM Security | – | Yes |
| Red Team | – | Yes |
| GenAI Security | – | Yes |
| Adversarial ML | – | Yes |
| GDPR | – | Yes |
| Vulnerability | – | Yes |

### Core features

**Repello AI ARTEMIS**

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.

### Integrations

**Repello AI ARTEMIS**

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

**Tempest AI Security Test**

No integrations listed.

## Which one fits you

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

- [Repello AI ARTEMIS](https://cybersectools.com/tools/repello-ai-artemis) 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.

## Repello AI ARTEMIS vs Tempest AI Security Test FAQ

Common questions when comparing Repello AI ARTEMIS vs Tempest AI Security Test for AI red teaming.

### What is the difference between Repello AI ARTEMIS and Tempest AI Security Test?

**Repello AI ARTEMIS**: Autonomous red teaming platform for testing agentic AI applications. Built by Repello AI.

**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 Repello AI ARTEMIS and Tempest AI Security Test?

**Repello AI ARTEMIS** is made by Repello AI. **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 Repello AI ARTEMIS a good alternative to Tempest AI Security Test?

Often, yes. Repello AI ARTEMIS and Tempest AI Security Test are both AI Red Teaming products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Repello AI ARTEMIS vs Vulcan AI Red Teaming](https://cybersectools.com/compare/repello-ai-artemis-vs-vulcan-ai-red-teaming)
- [Repello AI ARTEMIS vs RedRaven](https://cybersectools.com/compare/redraven-vs-repello-ai-artemis)
- [Repello AI ARTEMIS vs Ascend AI](https://cybersectools.com/compare/ascend-ai-vs-repello-ai-artemis)
- [Tempest AI Security Test vs Vulcan AI Red Teaming](https://cybersectools.com/compare/tempest-ai-security-test-vs-vulcan-ai-red-teaming)
- [Tempest AI Security Test vs RedRaven](https://cybersectools.com/compare/redraven-vs-tempest-ai-security-test)
- [Tempest AI Security Test vs Ascend AI](https://cybersectools.com/compare/ascend-ai-vs-tempest-ai-security-test)

## Alternatives to each

- [See all Repello AI ARTEMIS alternatives](https://cybersectools.com/alternatives/repello-ai-artemis)
- [See all Tempest AI Security Test alternatives](https://cybersectools.com/alternatives/tempest-ai-security-test)

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Source: https://cybersectools.com/compare/repello-ai-artemis-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/repello-ai-artemis.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Repello AI ARTEMIS 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