Clerk vs Cline
Clerk and Cline are both AI coding extensions. Here's how they line up on the things that actually decide it — price, platform, and what they plug into.
| Clerk | Cline | |
|---|---|---|
| Pricing | Free tier | Free |
| Platform | web, windows, mac, linux | windows, mac, linux |
| Works with | claude, cursor, windsurf | claude, chatgpt, gemini |
| In one line | A drop-in authentication service that adds user login, signup, and session management to any web app with minimal setup. | Open-source VS Code extension that acts as an autonomous AI coding agent — reads files, writes code, runs terminal commands, and uses your own API key. |
Which should you pick?
On budget alone, Cline is the lower-cost entry (free), so it's the safer place to start if you're not ready to pay. They both work with claude, so if that's your setup either one fits. For the full picture, read the reviews below — the verdict is where the real difference shows up.