Stellar Cyber Open XDR Pricing 2026: Plans, Costs & Free Options
Last Updated: May 2026
Open XDR platform with AI-driven correlation across network endpoint and cloud for MSSPs. This page breaks down Stellar Cyber Open XDR's Enterprise pricing model, what it includes, and how it compares to free alternatives in the Network Detection & Response category.
Pricing Overview
Pricing Model
Enterprise
This means pricing is custom and quoted per organization. Expect to contact sales, sign an annual contract, and negotiate based on seats, scope, and SLA requirements.
Is Stellar Cyber Open XDR Free?
No. Stellar Cyber Open XDR requires a paid subscription. There is no free tier available, though some plans may offer a free trial.
Is Stellar Cyber Open XDR Worth It?
Stellar Cyber Open XDR is rated 4.3/5 in our Network Detection & Response directory and uses a Enterprise pricing model, so it is best suited for teams with budget allocated to commercial security tooling. The paid plans typically include vendor support, regular updates, and integrations that free alternatives lack. For Network Detection & Response workflows where reliability and SLAs matter, Stellar Cyber Open XDR is worth the investment, particularly for organizations that cannot dedicate engineers to self-hosting open-source equivalents. Always request a demo and compare it against the free alternatives below before committing.
Cheaper Alternatives
If Stellar Cyber Open XDR's pricing is out of budget, these Network Detection & Response tools offer free or freemium options:
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Suricata
Free/OSS
Open-source high performance network IDS IPS and security monitoring engine.
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Zeek Network Monitor
Free/OSS
Open-source network analysis framework generating detailed logs of network activity.
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Snort IDS
Free/OSS
Open-source intrusion detection and prevention system with real-time traffic analysis by Cisco.
Frequently Asked Questions
How much does Stellar Cyber Open XDR cost?
Stellar Cyber Open XDR uses a Enterprise pricing model. This means pricing is custom and quoted per organization. Expect to contact sales, sign an annual contract, and negotiate based on seats, scope, and SLA requirements. For exact current pricing, visit the Stellar Cyber Open XDR website directly — vendors update tiers and quotas regularly.
Is there a free version of Stellar Cyber Open XDR?
No. Stellar Cyber Open XDR requires a paid subscription. There is no free tier available, though some plans may offer a free trial.
What are cheaper alternatives to Stellar Cyber Open XDR?
In the Network Detection & Response category, the most popular free or freemium alternatives are Suricata, Zeek Network Monitor, Snort IDS. Each offers a comparable feature set at lower or zero cost — see our /alternatives page for full breakdowns.