If you're looking for a platform that uses AI to automate code generation for rapid prototyping, Replit is a good option. It provides a full environment for building and deploying software as fast as possible, with AI tools for project architecture, code completion and debugging. Replit also includes collaboration tools, secure source code management and a variety of deployment options, so it's good for solo developers and teams.
Another option is GPT Engineer. This service uses natural language processing and AI to accelerate web app development. It includes an interactive prototyping tool that turns plain language into code so you can build prototypes and real web apps fast. GPT Engineer integrates with Git for real-time collaboration and supports common tools, so it's good for building custom landing pages, MVPs and other projects.
For an AI code assistant, Tabnine offers personalized suggestions based on your own code patterns. It works with many programming languages and IDEs, and offers AI chat support throughout the software development lifecycle. Tabnine doesn't store your code, so it's a good option for solo developers and large teams.