“It works on my machine.”
AI coding assistants are not just autocomplete anymore. They are pair programmers that understand your entire codebase.
1. GitHub Copilot (The Standard)

Integrated into VS Code, it’s the most widely used tool.
- Pros: Massive training data, enterprise security.
- Cons: Sometimes hallucinates libraries.
- Price: $10/month.
2. Cursor (The Challenger)

A fork of VS Code with AI baked into the core.
- Pros: “Cmd+K” to edit code in place, understands terminal output.
- Cons: Another IDE to install.
- Verdict: The current favorite for power users.
3. Devin (The Agent)

Devin is an autonomous software engineer. You give it a task, and it goes off and does it.
- Pros: Can handle end-to-end bug fixes.
- Cons: Expensive and still in beta.
4. Tabnine (The Private One)

Runs locally or on your private cloud.
- Pros: Code never leaves your environment.
- Cons: Slightly less smart than GPT-4 models.
Recommendation

If you use VS Code, switch to Cursor. It uses the same extensions but gives you superpowers. If you are in a strict enterprise, stick with Copilot.
Read more about developer tools: Top 10 AI Tools.