# Fiddler Guardrails vs First Recon AI Firewall: side-by-side comparison (2026)

[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). [First Recon AI Firewall](https://cybersectools.com/tools/first-recon-ai-firewall) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [First Recon AI](https://cybersectools.com/companies/first-recon-ai). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Fiddler Guardrails | First Recon AI Firewall |
|---|---|---|
| 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 | Fiddler AI | First Recon AI |
| Headquarters | – | – |

### Use cases and capabilities

| | Fiddler Guardrails | First Recon AI Firewall |
|---|---|---|
| Content Filtering | Yes | Yes |
| Generative AI | Yes | – |
| AI Firewall | – | Yes |
| LLM Guardrails | – | Yes |
| Prompt Injection | – | Yes |
| LLM Security | – | Yes |
| AI Observability | – | Yes |
| Data Exfiltration | – | Yes |
| GenAI Security | – | Yes |
| Agentic AI Security | – | Yes |
| Policy | – | Yes |

### Core features

**Fiddler Guardrails**

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

**First Recon AI Firewall**

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

### Integrations

**Fiddler Guardrails**

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

**First Recon AI Firewall**

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

## Fiddler Guardrails vs First Recon AI Firewall FAQ

Common questions when comparing Fiddler Guardrails vs First Recon AI Firewall for LLM guardrails.

### What is the difference between Fiddler Guardrails and First Recon AI Firewall?

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

**First Recon AI Firewall**: Inline firewall inspecting AI prompts/responses for injections & policy violations. Built by First Recon AI.

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

### Who makes Fiddler Guardrails and First Recon AI Firewall?

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

### Is Fiddler Guardrails a good alternative to First Recon AI Firewall?

Often, yes. Fiddler Guardrails and First Recon AI Firewall are both LLM Guardrails products, and both cover Content Filtering. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Fiddler Guardrails vs Airia AI Platform Guardrails](https://cybersectools.com/compare/airia-ai-platform-guardrails-vs-fiddler-guardrails)
- [Fiddler Guardrails vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/fiddler-guardrails-vs-thirdlaw-ai-control-layer)
- [Fiddler Guardrails vs Promptfoo Guardrails](https://cybersectools.com/compare/fiddler-guardrails-vs-promptfoo-guardrails)
- [First Recon AI Firewall vs Airia AI Platform Guardrails](https://cybersectools.com/compare/airia-ai-platform-guardrails-vs-first-recon-ai-firewall)
- [First Recon AI Firewall vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/first-recon-ai-firewall-vs-thirdlaw-ai-control-layer)
- [First Recon AI Firewall vs Promptfoo Guardrails](https://cybersectools.com/compare/first-recon-ai-firewall-vs-promptfoo-guardrails)

## Alternatives to each

- [See all Fiddler Guardrails alternatives](https://cybersectools.com/alternatives/fiddler-guardrails)
- [See all First Recon AI Firewall alternatives](https://cybersectools.com/alternatives/first-recon-ai-firewall)

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Source: https://cybersectools.com/compare/fiddler-guardrails-vs-first-recon-ai-firewall

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

More on Fiddler Guardrails and First Recon AI Firewall: 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