# Highflame Red vs Promptfoo LLM Vulnerability Scanner: side-by-side comparison (2026)

[Highflame Red](https://cybersectools.com/tools/highflame-red) is a commercial [AI red teaming](https://cybersectools.com/categories/ai-red-teaming) solution by [Highflame](https://cybersectools.com/companies/highflame). [Promptfoo LLM Vulnerability Scanner](https://cybersectools.com/tools/promptfoo-llm-vulnerability-scanner) is a free [AI red teaming](https://cybersectools.com/categories/ai-red-teaming) solution by [Promptfoo](https://cybersectools.com/companies/promptfoo). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Highflame Red | Promptfoo LLM Vulnerability Scanner |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | AI Red Teaming | AI Red Teaming |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Highflame | Promptfoo |
| Headquarters | – | – |

### Use cases and capabilities

| | Highflame Red | Promptfoo LLM Vulnerability Scanner |
|---|---|---|
| AI Pentesting | Yes | Yes |
| Agentic AI Security | Yes | Yes |
| LLM Security | Yes | Yes |
| LLM Guardrails | Yes | – |
| Prompt Injection | Yes | Yes |
| Red Team | Yes | Yes |
| CI/CD | Yes | – |
| OWASP | Yes | – |
| Continuous Testing | Yes | – |
| GenAI Security | Yes | Yes |
| Open Source | – | Yes |
| RAG Security | – | Yes |
| Generative AI | – | Yes |
| PII | – | Yes |

### Core features

**Highflame Red**

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

**Promptfoo LLM Vulnerability Scanner**

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

### Integrations

**Highflame Red**

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

**Promptfoo LLM Vulnerability Scanner**

No integrations listed.

## Which one fits you

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

- [Highflame Red](https://cybersectools.com/tools/highflame-red) fits if you want a cloud product.
- [Promptfoo LLM Vulnerability Scanner](https://cybersectools.com/tools/promptfoo-llm-vulnerability-scanner) fits if you need to run it on your own servers, you are a startup or a small business and you need a free product.

## Highflame Red vs Promptfoo LLM Vulnerability Scanner FAQ

Common questions when comparing Highflame Red vs Promptfoo LLM Vulnerability Scanner for AI red teaming.

### What is the difference between Highflame Red and Promptfoo LLM Vulnerability Scanner?

**Highflame Red**: Autonomous AI red teaming platform using adversarial agent swarms to test AI systems. Built by Highflame.

**Promptfoo LLM Vulnerability Scanner**: Open-source LLM vulnerability scanner for AI red teaming and security testing. Built by Promptfoo.

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

### Who makes Highflame Red and Promptfoo LLM Vulnerability Scanner?

**Highflame Red** is made by Highflame. **Promptfoo LLM Vulnerability Scanner** is made by Promptfoo. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Highflame Red a good alternative to Promptfoo LLM Vulnerability Scanner?

Often, yes. Highflame Red and Promptfoo LLM Vulnerability Scanner are both AI Red Teaming products, and both cover LLM Security, AI Pentesting, Prompt Injection. Key differences: Highflame Red is Commercial while Promptfoo LLM Vulnerability Scanner is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Highflame Red vs RedRaven](https://cybersectools.com/compare/highflame-red-vs-redraven)
- [Highflame Red vs Ascend AI](https://cybersectools.com/compare/ascend-ai-vs-highflame-red)
- [Highflame Red vs Vijil Evaluate](https://cybersectools.com/compare/highflame-red-vs-vijil-evaluate)
- [Promptfoo LLM Vulnerability Scanner vs RedRaven](https://cybersectools.com/compare/promptfoo-llm-vulnerability-scanner-vs-redraven)
- [Promptfoo LLM Vulnerability Scanner vs Ascend AI](https://cybersectools.com/compare/ascend-ai-vs-promptfoo-llm-vulnerability-scanner)
- [Promptfoo LLM Vulnerability Scanner vs Vijil Evaluate](https://cybersectools.com/compare/promptfoo-llm-vulnerability-scanner-vs-vijil-evaluate)

## Alternatives to each

- [See all Highflame Red alternatives](https://cybersectools.com/alternatives/highflame-red)
- [See all Promptfoo LLM Vulnerability Scanner alternatives](https://cybersectools.com/alternatives/promptfoo-llm-vulnerability-scanner)

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Source: https://cybersectools.com/compare/highflame-red-vs-promptfoo-llm-vulnerability-scanner

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

More on Highflame Red and Promptfoo LLM Vulnerability Scanner: 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