Cotool is a commercial detection engineering solution by Cotool. Sublime Security Sublime Rules is a free detection engineering solution by Sublime Security. Features, integrations, deployment and the company behind each one, side by side.
AI agent platform for SecOps automation, detection tuning, and threat hunting
Open-source detection rules for email attacks like BEC, phishing, and malware
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Based on what each listing shows: deployment, company size, price and open source.
Cotool fits if you want a cloud product.
Sublime Security Sublime Rules fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.
Common questions when comparing Cotool vs Sublime Security Sublime Rules for detection engineering.
Cotool: AI agent platform for SecOps automation, detection tuning, and threat hunting, built by Cotool.
Sublime Security Sublime Rules: Open-source detection rules for email attacks like BEC, phishing, and malware, built by Sublime Security.
The table above shows where their features, integrations, deployment and company size fit differ.
Cotool is made by Cotool. Sublime Security Sublime Rules is open-source. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Cotool and Sublime Security Sublime Rules are both Detection Engineering products, and both cover Detection Rules. Key differences: Cotool is Commercial while Sublime Security Sublime Rules is Free. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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