# AI Gateway vs Fiddler Guardrails: side-by-side comparison (2026)

[AI Gateway](https://cybersectools.com/tools/ai-gateway) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [NeuralTrust](https://cybersectools.com/companies/neuraltrust). [Fiddler Guardrails](https://cybersectools.com/tools/fiddler-guardrails) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Fiddler AI](https://cybersectools.com/companies/fiddler-ai). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

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

### Use cases and capabilities

| | AI Gateway | Fiddler Guardrails |
|---|---|---|
| AI Data Gateway | Yes | – |
| Open Source | Yes | – |
| AI Gateway | Yes | – |
| Content Filtering | – | Yes |
| Generative AI | – | Yes |

### Core features

**AI Gateway**

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

**Fiddler Guardrails**

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

### Integrations

**AI Gateway**

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

**Fiddler Guardrails**

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

## AI Gateway vs Fiddler Guardrails FAQ

Common questions when comparing AI Gateway vs Fiddler Guardrails for LLM guardrails.

### What is the difference between AI Gateway and Fiddler Guardrails?

**AI Gateway**: Centralized gateway for accessing and securing AI models with routing & monitoring. Built by NeuralTrust.

**Fiddler Guardrails**: Guardrails for protecting LLM and agentic applications from harmful content. Built by Fiddler AI.

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

### Who makes AI Gateway and Fiddler Guardrails?

**AI Gateway** is made by NeuralTrust. **Fiddler Guardrails** is made by Fiddler AI. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is AI Gateway a good alternative to Fiddler Guardrails?

Often, yes. AI Gateway and Fiddler Guardrails are both LLM Guardrails products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [AI Gateway vs Tinfoil GPT-OSS Safeguard 120B](https://cybersectools.com/compare/ai-gateway-vs-tinfoil-gpt-oss-safeguard-120b)
- [AI Gateway vs Daxa Pebblo (HPE Secure AI Factory)](https://cybersectools.com/compare/ai-gateway-vs-daxa-pebblo-hpe-secure-ai-factory)
- [AI Gateway vs Starseer AI Gateway](https://cybersectools.com/compare/ai-gateway-vs-starseer-ai-gateway)
- [Fiddler Guardrails vs Tinfoil GPT-OSS Safeguard 120B](https://cybersectools.com/compare/fiddler-guardrails-vs-tinfoil-gpt-oss-safeguard-120b)
- [Fiddler Guardrails vs Daxa Pebblo (HPE Secure AI Factory)](https://cybersectools.com/compare/daxa-pebblo-hpe-secure-ai-factory-vs-fiddler-guardrails)
- [Fiddler Guardrails vs Starseer AI Gateway](https://cybersectools.com/compare/fiddler-guardrails-vs-starseer-ai-gateway)

## Alternatives to each

- [See all AI Gateway alternatives](https://cybersectools.com/alternatives/ai-gateway)
- [See all Fiddler Guardrails alternatives](https://cybersectools.com/alternatives/fiddler-guardrails)

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Source: https://cybersectools.com/compare/ai-gateway-vs-fiddler-guardrails

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

More on AI Gateway and Fiddler 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