# DeepKeep LLM vs Fiddler Guardrails: side-by-side comparison (2026)

[DeepKeep LLM](https://cybersectools.com/tools/deepkeep-llm) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [DeepKeep](https://cybersectools.com/companies/deepkeep). [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

| | DeepKeep LLM | Fiddler Guardrails |
|---|---|---|
| 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 | DeepKeep | Fiddler AI |
| Headquarters | – | – |

### Use cases and capabilities

| | DeepKeep LLM | Fiddler Guardrails |
|---|---|---|
| PII | Yes | – |
| Generative AI | Yes | Yes |
| LLM Security | Yes | – |
| Content Filtering | – | Yes |

### Core features

**DeepKeep LLM**

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

**DeepKeep LLM**

No integrations listed.

**Fiddler Guardrails**

7 integrations 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.

- [DeepKeep LLM](https://cybersectools.com/tools/deepkeep-llm) fits if you want a cloud product.
- [Fiddler Guardrails](https://cybersectools.com/tools/fiddler-guardrails) fits if you need both cloud and on-premises options.

## DeepKeep LLM vs Fiddler Guardrails FAQ

Common questions when comparing DeepKeep LLM vs Fiddler Guardrails for LLM guardrails.

### What is the difference between DeepKeep LLM and Fiddler Guardrails?

**DeepKeep LLM**: End-to-end LLM security platform protecting against attacks and data leakage. Built by DeepKeep.

**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 DeepKeep LLM and Fiddler Guardrails?

**DeepKeep LLM** is made by DeepKeep founded in 2021-01-01T00:00:00.000Z. **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 DeepKeep LLM a good alternative to Fiddler Guardrails?

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

## Related comparisons

- [DeepKeep LLM vs Vulcan Protect](https://cybersectools.com/compare/deepkeep-llm-vs-vulcan-protect)
- [DeepKeep LLM vs Aiceberg Risk Signals Library](https://cybersectools.com/compare/aiceberg-risk-signals-library-vs-deepkeep-llm)
- [DeepKeep LLM vs RealmGuard](https://cybersectools.com/compare/deepkeep-llm-vs-realm-labs-platform)
- [Fiddler Guardrails vs Vulcan Protect](https://cybersectools.com/compare/fiddler-guardrails-vs-vulcan-protect)
- [Fiddler Guardrails vs Aiceberg Risk Signals Library](https://cybersectools.com/compare/aiceberg-risk-signals-library-vs-fiddler-guardrails)
- [Fiddler Guardrails vs RealmGuard](https://cybersectools.com/compare/fiddler-guardrails-vs-realm-labs-platform)

## Alternatives to each

- [See all DeepKeep LLM alternatives](https://cybersectools.com/alternatives/deepkeep-llm)
- [See all Fiddler Guardrails alternatives](https://cybersectools.com/alternatives/fiddler-guardrails)

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

More on DeepKeep LLM 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