# Primary Zero Trust Architecture vs Willow: side-by-side comparison (2026)

[Primary Zero Trust Architecture](https://cybersectools.com/tools/primary-zero-trust-architecture) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Primary](https://cybersectools.com/companies/primary). [Willow](https://cybersectools.com/tools/willow) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Willow](https://cybersectools.com/companies/willow). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Primary Zero Trust Architecture | Willow |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Agentic AI Security |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Primary | Willow |
| Headquarters | – | – |

### Use cases and capabilities

| | Primary Zero Trust Architecture | Willow |
|---|---|---|
| Zero Trust Architecture | Yes | Yes |
| Agentic AI Security | Yes | Yes |
| Least Privilege | Yes | – |
| ZTNA | Yes | – |
| Non-Human Identity | Yes | Yes |
| AI Governance | Yes | Yes |
| LLM Security | Yes | Yes |
| Runtime Security | Yes | – |
| Policy | Yes | – |
| Permissions | Yes | – |
| MCP Security | – | Yes |
| Shadow AI | – | Yes |
| AI Observability | – | Yes |
| RBAC | – | Yes |

### Core features

**Primary Zero Trust Architecture**

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

**Willow**

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

### Integrations

**Primary Zero Trust Architecture**

No integrations listed.

**Willow**

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.

- [Willow](https://cybersectools.com/tools/willow) fits if you are a small business.

## Primary Zero Trust Architecture vs Willow FAQ

Common questions when comparing Primary Zero Trust Architecture vs Willow for agentic AI security.

### What is the difference between Primary Zero Trust Architecture and Willow?

**Primary Zero Trust Architecture**: Zero Trust control plane for human and agentic AI identity enforcement. Built by Primary.

**Willow**: Control plane for governing enterprise AI agent identity, access, and actions. Built by Willow.

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

### Who makes Primary Zero Trust Architecture and Willow?

**Primary Zero Trust Architecture** is made by Primary. **Willow** is made by Willow. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Primary Zero Trust Architecture a good alternative to Willow?

Often, yes. Primary Zero Trust Architecture and Willow are both Agentic AI Security products, and both cover Agentic AI Security, AI Governance, Non-Human Identity. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Primary Zero Trust Architecture vs JetStream Security-First AI Governance Platform](https://cybersectools.com/compare/jetstream-saig-platform-vs-primary-zero-trust-architecture)
- [Primary Zero Trust Architecture vs Primary Agentic Control Plane](https://cybersectools.com/compare/primary-agentic-control-plane-vs-primary-zero-trust-architecture)
- [Primary Zero Trust Architecture vs Agentic Fabriq Internal Agents](https://cybersectools.com/compare/agentic-fabriq-internal-agents-vs-primary-zero-trust-architecture)
- [Willow vs JetStream Security-First AI Governance Platform](https://cybersectools.com/compare/jetstream-saig-platform-vs-willow)
- [Willow vs Primary Agentic Control Plane](https://cybersectools.com/compare/primary-agentic-control-plane-vs-willow)
- [Willow vs Agentic Fabriq Internal Agents](https://cybersectools.com/compare/agentic-fabriq-internal-agents-vs-willow)

## Alternatives to each

- [See all Primary Zero Trust Architecture alternatives](https://cybersectools.com/alternatives/primary-zero-trust-architecture)
- [See all Willow alternatives](https://cybersectools.com/alternatives/willow)

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Source: https://cybersectools.com/compare/primary-zero-trust-architecture-vs-willow

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

More on Primary Zero Trust Architecture and Willow: 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