Ghostwriter
What it is: Replit's built-in AI coding assistant. Code completion, chat, debugging. All in your browser.
What It Does Best
Zero setup. No local install. Open Replit, start coding with AI. Perfect for quick experiments and learning.
Context-aware suggestions. Understands your Replit project structure. Suggests code that fits your existing patterns.
Explain code. Highlight confusing code, ask Ghostwriter to explain. Great for learning or inheriting projects.
Key Features
Code completion: Tab-to-accept suggestions
Chat interface: Ask questions about your code
Code explanation: Understand complex functions
Generate code: Describe what you want, get implementation
Multi-language: Python, JavaScript, Java, Go, Rust, more
Pricing
Free: Basic Replit features
Ghostwriter: $10/month (AI features)
Pro: $20/month (Ghostwriter + more resources)
When to Use It
✅ Already using Replit for development
✅ Quick prototypes without local setup
✅ Teaching or learning to code
✅ Chromebook or restricted device (browser-only)
When NOT to Use It
❌ Large production codebases (local IDE better)
❌ Need offline development
❌ Want to use different AI models
Common Use Cases
Learning to code: Get explanations and examples instantly
Quick prototypes: Build MVPs without local setup
Coding interviews: Practice with AI assistance
Teaching: Share runnable examples with students
Chromebook coding: Code on devices without local dev environment
Ghostwriter vs Alternatives
vs GitHub Copilot: Ghostwriter browser-only, Copilot works in VS Code
vs Cursor: Cursor more powerful, Ghostwriter easier for beginners
vs ChatGPT: Ghostwriter integrated with IDE, ChatGPT separate tab
Unique Strengths
Browser-native: No installation, works anywhere
Replit ecosystem: Deploy and share instantly
Learning-friendly: Great for students and bootcamps
Zero config: Start coding in 30 seconds
Bottom line: Best AI assistant for browser-based coding. If you're in Replit, Ghostwriter is a no-brainer. Not worth switching to Replit just for it.