IriusRisk Threat Modeling is a commercial threat modeling solution by IriusRisk. pytm is a free threat modeling solution. Features, integrations, deployment and the company behind each one, side by side.
Threat modeling platform for identifying & managing software security risk by design.
A Pythonic framework for automated threat modeling shifting left.
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Based on what each listing shows: deployment, company size, price and open source.
IriusRisk Threat Modeling fits if you want a cloud product.
pytm fits if you need to run it on your own servers, you need a free product and you want an open-source product.
Common questions when comparing IriusRisk Threat Modeling vs pytm for threat modeling.
IriusRisk Threat Modeling: Threat modeling platform for identifying & managing software security risk by design, built by IriusRisk.
pytm: A Pythonic framework for automated threat modeling shifting left.
The table above shows where their features, integrations, deployment and company size fit differ.
IriusRisk Threat Modeling is made by IriusRisk. pytm is open-source with 9 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. IriusRisk Threat Modeling and pytm are both Threat Modeling products, and both cover Threat Modeling. Key differences: IriusRisk Threat Modeling is Commercial while pytm is Free, pytm is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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