Serverless computing, a concept allowing developers to build applications without managing underlying servers, is gaining traction but remains less adopted than technologies like Docker, as highlighted by a DevOps Pulse Survey showing only 30% usage among responders. Amazon's AWS Lambda, the pioneering serverless platform, supports multiple programming languages and provides extensive integrations with other AWS services for various applications, while introducing Step Functions to address challenges in maintaining function states. Microsoft Azure Functions and Google Cloud Functions, though later entrants, offer their own unique features, with Microsoft emphasizing ease for non-coders through Logic Apps, and Google focusing on JavaScript support and integrations with its services. Pricing for serverless platforms generally follows a pay-per-use model, with AWS and Azure offering similar rates, whereas Google's costs remain higher. Monitoring and optimization tools are critical in serverless environments to manage costs and improve efficiency, with solutions like ELK stack and Datadog providing valuable insights. Despite current limitations, serverless encourages efficient coding practices, and with tools like the Serverless Cost Calculator, organizations can estimate potential savings and optimize their serverless strategies.