You're on the right track thinking about API's! For a web dev agent GPT-4, Gemini, Claude are all great coding options as a open-source alternatives like codellama, deepseek coder etc. The best one for you really depends on your budget and how polished you need the code to be and how much control you want over the processHello, I want to create a custom AI tool (AI agent) for designing and developing a full-stack website. Suggest AI like ChatGPT, grok, Claude, Gemini, or others whose API will best for Coding (Website Development.)