Question: I need a solution that can improve code performance and quality without requiring manual intervention.

If you're looking for a tool that can speed up and improve code quality without human oversight, Metabob is a great option. Metabob applies AI to code review, refactoring and debugging, which can be useful for maintaining old code and vetting AI-generated code. It works with common development tools and has a free individual developer plan with paid options starting at $20 per month.

Another good option is Fine, which offers AI-powered virtual developers that can automate tedious work so your human team members can focus on higher-level work. Fine's agents can do things like convert Jira tickets into pull requests, automate technical debt and speed up code reviews. It has a free plan for individuals and small teams, with paid plans costing $32/month and $79/month for enterprise customers.

GitHub Copilot is another option. The tool offers context-aware help in the development process, including code completion, natural language prompts and chat help to answer questions about codebases. It works with GitHub and other tools to help developers write better code and avoid security problems.

Finally, Kodezi offers AI-powered code correction, debugging and optimization. With features like automated code debugging and advanced code optimization, Kodezi ensures professional coding standards and supports more than 30 programming languages. It offers a free plan with limited features and a Pro plan at $6.99/month for more advanced use.