alphaMountain Domain & IP Reputation vs Filigran OpenCTI: Side-by-Side Comparison (2026)

alphaMountain Domain & IP Reputation: AI-based domain & IP threat scoring API for security product integration. built by alphaMountain. Core capabilities include Numerical threat rating scale from 1.00 (safe) to 10.0 (malicious) for domains and IPs, Explainable threat factors providing context for why a domain or IP is considered risky, AI-based risk models for evaluating both established and newly observed internet infrastructure..

Filigran OpenCTI: Open-source threat intelligence platform for organizing and operationalizing CTI. built by Filigran. Core capabilities include STIX 2.1 data model for threat intelligence structuring, Knowledge hypergraph with visual graphs and timelines, MITRE ATT&CK framework mapping..

Both serve the Threat Intel Feeds market but differ in approach, feature depth, and target audience.

alphaMountain Domain & IP Reputation differentiates with Numerical threat rating scale from 1.00 (safe) to 10.0 (malicious) for domains and IPs, Explainable threat factors providing context for why a domain or IP is considered risky, AI-based risk models for evaluating both established and newly observed internet infrastructure. Filigran OpenCTI differentiates with STIX 2.1 data model for threat intelligence structuring, Knowledge hypergraph with visual graphs and timelines, MITRE ATT&CK framework mapping.

alphaMountain Domain & IP Reputation is developed by alphaMountain. Filigran OpenCTI is developed by Filigran. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

alphaMountain Domain & IP Reputation and Filigran OpenCTI serve similar Threat Intel Feeds use cases: both cover Cyber Threat Intelligence. Review the feature comparison above to determine which fits your requirements.