# Prompt Security Platform vs Starseer AI Gateway: 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). [Starseer AI Gateway](https://cybersectools.com/tools/starseer-ai-gateway) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Starseer](https://cybersectools.com/companies/starseer). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

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

### Use cases and capabilities

| | Prompt Security Platform | Starseer AI Gateway |
|---|---|---|
| Generative AI | Yes | Yes |
| Prompt Injection | Yes | Yes |
| GenAI Security | Yes | Yes |
| Shadow AI | Yes | Yes |
| AI Gateway | – | Yes |
| LLM Security | – | Yes |
| AI Governance | – | Yes |
| AI Compliance | – | Yes |
| Gateway | – | Yes |
| Agentic AI Security | – | Yes |

### Core features

**Prompt Security Platform**

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

**Starseer AI Gateway**

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

### Integrations

**Prompt Security Platform**

No integrations listed.

**Starseer AI Gateway**

1 integration 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.
- [Starseer AI Gateway](https://cybersectools.com/tools/starseer-ai-gateway) fits if you need both cloud and on-premises options.

## Prompt Security Platform vs Starseer AI Gateway FAQ

Common questions when comparing Prompt Security Platform vs Starseer AI Gateway for LLM guardrails.

### What is the difference between Prompt Security Platform and Starseer AI Gateway?

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

**Starseer AI Gateway**: Built by Starseer.

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

### Who makes Prompt Security Platform and Starseer AI Gateway?

**Prompt Security Platform** is made by Prompt Security. **Starseer AI Gateway** is made by Starseer. 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 Starseer AI Gateway?

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

## Related comparisons

- [Prompt Security Platform vs SlashLLM](https://cybersectools.com/compare/prompt-security-genai-solutions-vs-slashllm)
- [Prompt Security Platform vs Confident Security](https://cybersectools.com/compare/confident-security-vs-prompt-security-genai-solutions)
- [Prompt Security Platform vs Pangea AI Security Platform](https://cybersectools.com/compare/pangea-ai-security-platform-vs-prompt-security-genai-solutions)
- [Starseer AI Gateway vs SlashLLM](https://cybersectools.com/compare/slashllm-vs-starseer-ai-gateway)
- [Starseer AI Gateway vs Confident Security](https://cybersectools.com/compare/confident-security-vs-starseer-ai-gateway)
- [Starseer AI Gateway vs Pangea AI Security Platform](https://cybersectools.com/compare/pangea-ai-security-platform-vs-starseer-ai-gateway)

## Alternatives to each

- [See all Prompt Security Platform alternatives](https://cybersectools.com/alternatives/prompt-security-genai-solutions)
- [See all Starseer AI Gateway alternatives](https://cybersectools.com/alternatives/starseer-ai-gateway)

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Source: https://cybersectools.com/compare/prompt-security-genai-solutions-vs-starseer-ai-gateway

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 Starseer AI Gateway: 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