# Filigran OpenCTI vs Nucleon Cyber AGTI Platform: side-by-side comparison (2026)

[Filigran OpenCTI](https://cybersectools.com/tools/filigran-opencti) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Filigran](https://cybersectools.com/companies/filigran). [Nucleon Cyber AGTI Platform](https://cybersectools.com/tools/nucleon-cyber-agti-platform) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Nucleon Cyber](https://cybersectools.com/companies/nucleon-cyber). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Threat Intelligence Platform Solutions for Business](https://cybersectools.com/shortlists/best-threat-intelligence-platforms) picks Recorded Future Threat Intelligence, Google Threat Intelligence, CrowdStrike Falcon Adversary Intelligence and 4 more.

## Side-by-side comparison

| | Filigran OpenCTI | Nucleon Cyber AGTI Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Threat Intel Platforms | Threat Intel Platforms |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Filigran | Nucleon Cyber |
| Headquarters | – | – |

### Use cases and capabilities

| | Filigran OpenCTI | Nucleon Cyber AGTI Platform |
|---|---|---|
| Case Management | Yes | – |
| MITRE ATT&CK | Yes | Yes |
| Open Source | Yes | – |
| RBAC | Yes | – |
| STIX | Yes | – |
| Cyber Threat Intelligence | Yes | Yes |
| Threat Actors | – | Yes |
| Threat Feed | – | Yes |
| Threat Analysis | – | Yes |
| Threat Research | – | Yes |
| Attack Paths | – | Yes |
| Reconnaissance | – | Yes |
| Digital Risk Protection | – | Yes |
| IOC | – | Yes |

### Core features

**Filigran OpenCTI**

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

**Nucleon Cyber AGTI Platform**

3 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.

- [Filigran OpenCTI](https://cybersectools.com/tools/filigran-opencti) fits if you need both cloud and on-premises options and you are a small business.
- [Nucleon Cyber AGTI Platform](https://cybersectools.com/tools/nucleon-cyber-agti-platform) fits if you want a cloud product.

## Filigran OpenCTI vs Nucleon Cyber AGTI Platform FAQ

Common questions when comparing Filigran OpenCTI vs Nucleon Cyber AGTI Platform for threat intel platforms.

### What is the difference between Filigran OpenCTI and Nucleon Cyber AGTI Platform?

**Filigran OpenCTI**: Open-source threat intelligence platform for organizing and operationalizing CTI. Built by Filigran.

**Nucleon Cyber AGTI Platform**: Adversary-generated threat intelligence platform for attack surface visibility. Built by Nucleon Cyber.

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

### Who makes Filigran OpenCTI and Nucleon Cyber AGTI Platform?

**Filigran OpenCTI** is made by Filigran. **Nucleon Cyber AGTI Platform** is made by Nucleon Cyber. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Filigran OpenCTI a good alternative to Nucleon Cyber AGTI Platform?

Often, yes. Filigran OpenCTI and Nucleon Cyber AGTI Platform are both Threat Intel Platforms products, and both cover Cyber Threat Intelligence, MITRE ATT&CK. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Filigran OpenCTI vs Ninja Signal](https://cybersectools.com/compare/filigran-opencti-vs-ninja-signal)
- [Filigran OpenCTI vs Threat Intelligence Platform](https://cybersectools.com/compare/filigran-opencti-vs-threat-intelligence-platform)
- [Filigran OpenCTI vs Cypho](https://cybersectools.com/compare/cypho-vs-filigran-opencti)
- [Nucleon Cyber AGTI Platform vs Ninja Signal](https://cybersectools.com/compare/ninja-signal-vs-nucleon-cyber-agti-platform)
- [Nucleon Cyber AGTI Platform vs Threat Intelligence Platform](https://cybersectools.com/compare/nucleon-cyber-agti-platform-vs-threat-intelligence-platform)
- [Nucleon Cyber AGTI Platform vs Cypho](https://cybersectools.com/compare/cypho-vs-nucleon-cyber-agti-platform)

## Alternatives to each

- [See all Filigran OpenCTI alternatives](https://cybersectools.com/alternatives/filigran-opencti)
- [See all Nucleon Cyber AGTI Platform alternatives](https://cybersectools.com/alternatives/nucleon-cyber-agti-platform)

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Source: https://cybersectools.com/compare/filigran-opencti-vs-nucleon-cyber-agti-platform

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

More on Filigran OpenCTI and Nucleon Cyber AGTI Platform: 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