# Prompt Security Platform vs Promptfoo Guardrails: side-by-side comparison (2026)

[Prompt Security Platform](https://cybersectools.com/tools/prompt-security-genai-solutions) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Prompt Security](https://cybersectools.com/companies/prompt-security). [Promptfoo Guardrails](https://cybersectools.com/tools/promptfoo-guardrails) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Promptfoo](https://cybersectools.com/companies/promptfoo). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Prompt Security Platform | Promptfoo Guardrails |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | LLM Guardrails | LLM Guardrails |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Prompt Security | Promptfoo |
| Headquarters | – | – |

### Use cases and capabilities

| | Prompt Security Platform | Promptfoo Guardrails |
|---|---|---|
| Generative AI | Yes | Yes |
| Prompt Injection | Yes | Yes |
| GenAI Security | Yes | Yes |
| Shadow AI | Yes | – |
| LLM Guardrails | – | Yes |
| LLM Security | – | Yes |
| AI Firewall | – | Yes |
| Red Team | – | Yes |
| Continuous Testing | – | Yes |
| Adversarial ML | – | Yes |
| AI Governance | – | Yes |

### Core features

**Prompt Security Platform**

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

**Promptfoo Guardrails**

6 features 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.

- [Prompt Security Platform](https://cybersectools.com/tools/prompt-security-genai-solutions) fits if you want a cloud product.
- [Promptfoo Guardrails](https://cybersectools.com/tools/promptfoo-guardrails) fits if you need both cloud and on-premises options and you are a startup.

## Prompt Security Platform vs Promptfoo Guardrails FAQ

Common questions when comparing Prompt Security Platform vs Promptfoo Guardrails for LLM guardrails.

### What is the difference between Prompt Security Platform and Promptfoo Guardrails?

**Prompt Security Platform**: SentinelOne's Prompt Security: AI security platform plus open-source agent/LLM tools. Built by Prompt Security.

**Promptfoo Guardrails**: Adaptive LLM guardrails that self-improve via red team feedback loops. Built by Promptfoo.

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

### Who makes Prompt Security Platform and Promptfoo Guardrails?

**Prompt Security Platform** is made by Prompt Security. **Promptfoo Guardrails** 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 Prompt Security Platform a good alternative to Promptfoo Guardrails?

Often, yes. Prompt Security Platform and Promptfoo Guardrails are both LLM Guardrails products, and both cover Prompt Injection, GenAI Security, Generative AI. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Prompt Security Platform vs Confident Security](https://cybersectools.com/compare/confident-security-vs-prompt-security-genai-solutions)
- [Prompt Security Platform vs PointGuard AI Intelligent Guardrails](https://cybersectools.com/compare/pointguard-ai-intelligent-guardrails-vs-prompt-security-genai-solutions)
- [Prompt Security Platform vs RealmGuard](https://cybersectools.com/compare/prompt-security-genai-solutions-vs-realm-labs-platform)
- [Promptfoo Guardrails vs Confident Security](https://cybersectools.com/compare/confident-security-vs-promptfoo-guardrails)
- [Promptfoo Guardrails vs PointGuard AI Intelligent Guardrails](https://cybersectools.com/compare/pointguard-ai-intelligent-guardrails-vs-promptfoo-guardrails)
- [Promptfoo Guardrails vs RealmGuard](https://cybersectools.com/compare/promptfoo-guardrails-vs-realm-labs-platform)

## Alternatives to each

- [See all Prompt Security Platform alternatives](https://cybersectools.com/alternatives/prompt-security-genai-solutions)
- [See all Promptfoo Guardrails alternatives](https://cybersectools.com/alternatives/promptfoo-guardrails)

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Source: https://cybersectools.com/compare/prompt-security-genai-solutions-vs-promptfoo-guardrails

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

More on Prompt Security Platform and Promptfoo Guardrails: 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