Isolation Forest vs GPT-4o for AI Log Anomaly Detection

<p><em>Originally published on <a href="https://kuryzhev.cloud/2026/06/23/ai-anomaly-detection-in-grafana-3-mistakes-we-made" rel="noopener noreferrer">kuryzhev.cloud</a></em></p>

<p>Unchecked cloud cost anomalies cost enterprises an average of $2.4M annually, per a 2024 Gartner report. We benchmarked Claude 3.5 Sonnet and GPT-4o across 12,000 real AWS and

<p>In one published case study of an industrial intrusion detection deployment, the system flagged more than 27,000 events as potentially malicious in a single observation window.

<p><strong>A lightweight, containerized anomaly detection system that monitors traffic in real time, detects abuse patterns, and automatically blocks malicious IPs at the host