# Nestria AI vs Starseer AI Gateway: side-by-side comparison (2026)

[Nestria AI](https://cybersectools.com/tools/nestria-ai) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Nestria AI](https://cybersectools.com/companies/nestria-ai). [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.

Need the answer fast? [Best Agentic AI Security Solutions for Business](https://cybersectools.com/shortlists/best-agentic-ai-security-solutions) picks CrowdStrike Falcon Guardian, Rubrik Agent Cloud, Silverfort AI Agent Security and 5 more.

## Side-by-side comparison

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

### Use cases and capabilities

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

### Core features

**Nestria AI**

9 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

**Nestria AI**

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.

- [Starseer AI Gateway](https://cybersectools.com/tools/starseer-ai-gateway) fits if you are a small business.

## Nestria AI vs Starseer AI Gateway FAQ

Common questions when comparing Nestria AI vs Starseer AI Gateway for agentic AI security.

### What is the difference between Nestria AI and Starseer AI Gateway?

**Nestria AI**: Governance and security platform for agentic AI in regulated enterprise workflows. Built by Nestria AI.

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

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

### Who makes Nestria AI and Starseer AI Gateway?

**Nestria AI** is made by Nestria AI. **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 Nestria AI a good alternative to Starseer AI Gateway?

In part. Nestria AI and Starseer AI Gateway are not in the same category on CybersecTools. Both cover Prompt Injection, LLM Security, AI Governance. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Nestria AI vs Onyx Platform](https://cybersectools.com/compare/nestria-ai-vs-onyx-platform)
- [Nestria AI vs HikmaAI](https://cybersectools.com/compare/hikmaai-vs-nestria-ai)
- [Nestria AI vs Bay Security Agentic Endpoint Security](https://cybersectools.com/compare/bay-security-agentic-endpoint-security-vs-nestria-ai)
- [Starseer AI Gateway vs Onyx Platform](https://cybersectools.com/compare/onyx-platform-vs-starseer-ai-gateway)
- [Starseer AI Gateway vs HikmaAI](https://cybersectools.com/compare/hikmaai-vs-starseer-ai-gateway)
- [Starseer AI Gateway vs Bay Security Agentic Endpoint Security](https://cybersectools.com/compare/bay-security-agentic-endpoint-security-vs-starseer-ai-gateway)

## Alternatives to each

- [See all Nestria AI alternatives](https://cybersectools.com/alternatives/nestria-ai)
- [See all Starseer AI Gateway alternatives](https://cybersectools.com/alternatives/starseer-ai-gateway)

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

More on Nestria AI 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