# OpenTAXII vs Opsis OSINT: side-by-side comparison (2026)

[OpenTAXII](https://cybersectools.com/tools/opentaxii) is a free [threat intel platforms](https://cybersectools.com/categories/tip) solution. [Opsis OSINT](https://cybersectools.com/tools/opsis-osint) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Opsis](https://cybersectools.com/companies/opsis). 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

| | OpenTAXII | Opsis OSINT |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Threat Intel Platforms | Threat Intel Platforms |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | 211 | – |
| Last commit | Jan 2026 | – |
| Company | – | Opsis |
| Headquarters | – | – |

### Use cases and capabilities

| | OpenTAXII | Opsis OSINT |
|---|---|---|
| TAXII | Yes | – |
| OSINT | – | Yes |
| Reconnaissance | – | Yes |
| Search | – | Yes |
| Investigation | – | Yes |
| Social Media | – | Yes |
| Enumeration | – | Yes |
| Fingerprinting | – | Yes |
| GDPR | – | Yes |
| REST API | – | Yes |
| Cyber Threat Intelligence | – | Yes |

### Core features

**OpenTAXII**

No features listed.

**Opsis OSINT**

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.

- [OpenTAXII](https://cybersectools.com/tools/opentaxii) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
- [Opsis OSINT](https://cybersectools.com/tools/opsis-osint) fits if you want a cloud product and you are a startup.

## OpenTAXII vs Opsis OSINT FAQ

Common questions when comparing OpenTAXII vs Opsis OSINT for threat intel platforms.

### What is the difference between OpenTAXII and Opsis OSINT?

**OpenTAXII**: A robust Python implementation of TAXII Services with a friendly pythonic API.

**Opsis OSINT**: OSINT search: find the accounts behind an email, username or domain across 1,000+ sites. Built by Opsis.

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

### Who makes OpenTAXII and Opsis OSINT?

**OpenTAXII** is open-source with 211 GitHub stars. **Opsis OSINT** is made by Opsis. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is OpenTAXII a good alternative to Opsis OSINT?

Often, yes. OpenTAXII and Opsis OSINT are both Threat Intel Platforms products. Key differences: OpenTAXII is Free while Opsis OSINT is Commercial, OpenTAXII is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [OpenTAXII vs SecurityTrails API](https://cybersectools.com/compare/opentaxii-vs-securitytrails)
- [OpenTAXII vs koat Platform](https://cybersectools.com/compare/koat-platform-vs-opentaxii)
- [OpenTAXII vs Maltego Professional Lite](https://cybersectools.com/compare/maltego-professional-lite-vs-opentaxii)
- [Opsis OSINT vs SecurityTrails API](https://cybersectools.com/compare/opsis-osint-vs-securitytrails)
- [Opsis OSINT vs koat Platform](https://cybersectools.com/compare/koat-platform-vs-opsis-osint)
- [Opsis OSINT vs Maltego Professional Lite](https://cybersectools.com/compare/maltego-professional-lite-vs-opsis-osint)

## Alternatives to each

- [See all OpenTAXII alternatives](https://cybersectools.com/alternatives/opentaxii)
- [See all Opsis OSINT alternatives](https://cybersectools.com/alternatives/opsis-osint)

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Source: https://cybersectools.com/compare/opentaxii-vs-opsis-osint

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More on OpenTAXII and Opsis OSINT: 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