Datadog's pricing model is multifaceted, with costs influenced by host-based pricing, custom metrics, log management, and application performance monitoring (APM), among other factors. Its usage-based pricing offers flexibility but can lead to complex cost structures that require careful monitoring and optimization. Key components like Infrastructure Monitoring serve as the foundation, with additional costs for services such as Network Performance Monitoring and Database Monitoring. Datadog's model is contrasted with Coralogix's volume-based pricing, which emphasizes cost efficiency and scalability without per-host fees. Real-world scenarios illustrate how Datadog’s pricing can vary significantly based on usage patterns, while Coralogix offers potential savings by focusing on data ingestion and retention. Both platforms provide comprehensive observability solutions, with Datadog offering granular control and Coralogix focusing on simplicity and cost optimization. The choice between them depends on specific organizational needs, usage, and budget considerations, with attention to features, usability, support, and scalability.