# DeepKeep LLM vs Prompt Guard: 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). [Prompt Guard](https://cybersectools.com/tools/prompt-guard) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [NeuralTrust](https://cybersectools.com/companies/neuraltrust). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | DeepKeep LLM | Prompt Guard |
|---|---|---|
| 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 | NeuralTrust |
| Headquarters | – | – |

### Use cases and capabilities

| | DeepKeep LLM | Prompt Guard |
|---|---|---|
| PII | Yes | – |
| Generative AI | Yes | – |
| LLM Security | Yes | – |
| Runtime Security | – | Yes |

### Core features

**DeepKeep LLM**

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

**Prompt Guard**

10 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.

- [DeepKeep LLM](https://cybersectools.com/tools/deepkeep-llm) fits if you want a cloud product.
- [Prompt Guard](https://cybersectools.com/tools/prompt-guard) fits if you need both cloud and on-premises options.

## DeepKeep LLM vs Prompt Guard FAQ

Common questions when comparing DeepKeep LLM vs Prompt Guard for LLM guardrails.

### What is the difference between DeepKeep LLM and Prompt Guard?

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

**Prompt Guard**: Guardrail engine protecting LLM apps from prompt injections and jailbreaks. Built by NeuralTrust.

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

### Who makes DeepKeep LLM and Prompt Guard?

**DeepKeep LLM** is made by DeepKeep founded in 2021-01-01T00:00:00.000Z. **Prompt Guard** is made by NeuralTrust. 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 Prompt Guard?

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

## Related comparisons

- [DeepKeep LLM vs AI Model Guardrails](https://cybersectools.com/compare/ai-model-guardrails-vs-deepkeep-llm)
- [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)
- [Prompt Guard vs AI Model Guardrails](https://cybersectools.com/compare/ai-model-guardrails-vs-prompt-guard)
- [Prompt Guard vs Vulcan Protect](https://cybersectools.com/compare/prompt-guard-vs-vulcan-protect)
- [Prompt Guard vs Aiceberg Risk Signals Library](https://cybersectools.com/compare/aiceberg-risk-signals-library-vs-prompt-guard)

## Alternatives to each

- [See all DeepKeep LLM alternatives](https://cybersectools.com/alternatives/deepkeep-llm)
- [See all Prompt Guard alternatives](https://cybersectools.com/alternatives/prompt-guard)

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Source: https://cybersectools.com/compare/deepkeep-llm-vs-prompt-guard

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 Prompt Guard: 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