You already have a code project and want AI to help you code faster
You know a bit of programming and want AI in your own project to autocomplete, fix bugs and write new features.
Faster autocomplete, bug fixes and new features in your existing project
3 top picks
Based on VS Code, so switching is easy, and its Agent understands the whole project.
Free: Free plan: limited Agent / Chat requests
Free plan includes 2,000 completions per month; Pro is only $10/month.
Free: Free plan: 2,000 code completions per month + limited Chat / Agent
Unlimited Tab completions on the free plan; good for comparing on a tight budget.
Free: Free plan: a small amount of Agent credits, unlimited Tab completions and inline edits
How to combine them
- 1
Pick one editor as your main one (Cursor or Windsurf) and import your existing VS Code settings.
- 2
Use Tab completion for everyday coding; hand cross-file changes to the Agent.
- 3
Commit to git before every Agent change, then review the diff file by file.
How far the free plans go
Cursor, Windsurf and Copilot all have free plans, but Agent allowances are limited; heavy use basically requires paying.
Prices and limits change often. Data checked on 2026-10-27; the official sites are the final word.
Not for
- Users who can't code or read a diff at all (start with “Turn an idea into a web app” instead)