Question: I need a solution that can refactor my code and add new features with AI assistance.

If you want to refactor your code and add new features with AI help, GitHub Copilot is a good place to start. This AI-powered developer tool offers context-aware help as you code. It can help with code completion, convert natural language prompts into code and offer chat help to ask questions about your codebase. GitHub Copilot can be integrated with other tools and services and works with many IDEs, so it's a good option for developers who want to use it in their existing workflow.

Another good option is Codeium. It supports more than 70 programming languages and works with popular IDEs. Codeium offers more advanced code completion, AI-powered search and an AI chat assistant that can refactor code, generate documentation and suggest bug fixes. It's designed for solo developers and teams, with pricing tiers depending on your needs.

If you want something more flexible, check out Refact, an open-source AI coding assistant. Refact supports several Large Language Models, including GPT-4, and offers features like fast code completion, code improvement tools and a chat interface. It's private by default, with self-hosted options and customizable privacy settings, so it's a good option for developers who want control over their code.

Last, Autopilot is another tool worth checking out, especially if you're already using GitHub to manage your code. It's designed to help you work more efficiently and collaborate with others. It uses the latest LLM models to help you with chat, adding new features and fixing bugs. Autopilot supports many programming languages and offers a scalable option for bigger projects.