I spent two weeks throwing real tasks at six different AI coding assistants. Not toy examples — actual refactors, bug fixes, and new feature work. Here’s what I found.
The contenders
- GitHub Copilot — the OG, deeply integrated into VS Code
- Cursor — VS Code fork with AI at the core
- Supermaven — insanely fast completions
- Codeium — free and surprisingly good
- Aider — terminal-based, works with any editor
- Continue.dev — open source, self-hostable
Winner for daily use: Cursor
It’s not even close for complex tasks. The ability to open a codebase and ask “what does this function do?” or “refactor this to use async/await throughout” is genuinely game-changing. The inline edit mode (Cmd+K) is incredibly fast.
Best free option: Codeium
If you don’t want to pay, Codeium is the answer. The completions are fast, context-aware, and available in basically every editor. I used it for a month before switching to Cursor.
AI assistants don’t replace knowing how to code. They replace looking up syntax and boilerplate — which is actually most of what coding is.
The assistants that failed were the ones that couldn’t handle multi-file context. That’s the main differentiator in 2026.