CostGPT is an AI-based Software Development Cost Estimator developed by Team Codebuddy. It enables users to generate software cost and time estimates by providing a detailed description of their software idea or a reference URL. The platform offers comprehensive estimates including suggested tech stacks, feature lists, cost breakdowns, timelines, and deliverables. Users can explore functionalities, dependencies, and historical data insights for accurate estimations. While user-friendly, CostGPT cautions users about uncertainties in predictions and advises against sharing sensitive information. With features like precise cost breakdowns, tech stack recommendations, and risk considerations, it caters to a wide range of software development projects, making it a valuable tool for estimating software development efforts.