Cursor is a VS Code-based editor built around AI: codebase-aware chat, multi-file edits and agent features, while keeping familiar extensions.
Keep in mind: Switching editors is a bigger change than adding a plugin.
Guide · Updated
The best AI coding assistants
AI coding assistants range from autocomplete inside your existing editor to agentic tools that plan and edit across a whole codebase. Choose based on where you work and how much autonomy you want to give the AI.
Quick picks
| Tool | Best for | Pricing | Link |
|---|---|---|---|
| Cursor | An AI-first editor | Freemium | Visit |
| GitHub Copilot | Staying in your current editor | Freemium | Visit |
| Windsurf | Agentic editing in an IDE | Freemium | Visit |
| Claude Code | Terminal-based agentic coding | Paid | Visit |
| Tabnine | Privacy-focused teams | Paid | Visit |
| Replit | Coding in the browser | Freemium | Visit |
How we pick: tools are chosen for fit to the task, based on each tool's official documentation and features — not on payment. Pricing labels are a guide; check official sites for current plans.
The picks, in detail
GitHub Copilot adds completions, chat and agent features to VS Code, JetBrains and other editors, with deep GitHub integration.
Keep in mind: Best value if your team already uses GitHub.
Windsurf is an AI-native editor with an agent that can carry out multi-step changes across files.
Keep in mind: Compare it with Cursor on your own repo; preferences are personal.
Claude Code from Anthropic works in your terminal, reading your codebase and making changes, running commands and tests on request.
Keep in mind: A paid product; review changes carefully before committing.
Tabnine emphasizes privacy and control, with deployment options suited to companies with strict code policies.
Keep in mind: Paid; evaluate suggestion quality against alternatives.
Replit gives you a full development environment in the browser with an AI agent that can build and deploy apps.
Keep in mind: Best for prototypes and learning; larger projects may prefer a local setup.
How to choose
- Try two tools on the same real task in your own codebase.
- Check data and privacy settings, especially for company code.
- Agentic tools save time but need careful code review.
- Look at language and editor support for your stack.
FAQ
What is the best AI coding assistant?
Cursor and GitHub Copilot are the most widely used; Windsurf and Claude Code are strong for agentic, multi-step changes. The best one depends on your editor and workflow.
Is there a free AI coding assistant?
Cursor, GitHub Copilot, Windsurf and Replit offer free tiers with usage limits. Running open models locally with Ollama is another free option.
Is it safe to use AI coding tools on company code?
Check each tool's data retention and training settings, and your company policy. Some tools, like Tabnine, focus specifically on privacy-sensitive teams.
