The cost of developing an OpenSea clone script can vary depending on the features, customization level, blockchain integration, and the development team's location. On average, a basic OpenSea clone script may cost between $5,000 to $15,000, while a fully customized version with advanced features like multi-chain support, royalty mechanisms, and AI-powered NFT recommendations can range from $20,000 to $50,000 or more. The cost also includes expenses for UI/UX design, smart contract development, wallet integration, and testing. Additional factors like scalability, hosting, and post-launch support can further influence the overall budget. It's advisable to consult with a professional Opensea clone script development company to get a precise quote tailored to your specific business needs.