GitHub Copilot vs Replit AI (Ghostwriter)

Side-by-side from the Top 11 ranking of GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026. Last verified August 28, 2026.

The short answer

GitHub Copilot ranks higher on Top 11 (#1 vs #4) for Software engineers and engineering leaders choosing AI pair-programmers. The market leader with best-in-class code generation, features, and IDE support.

At a glance

GitHub CopilotReplit AI (Ghostwriter)
Top 11 rank#1 / GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026#4 / GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026
Score (out of 9.4)9.28.5
Best forBest overall code qualityBest for browser-based IDEs
Pricing$ ($10 to $39/mo)$ ($20/mo)
HQSan Francisco, USASan Francisco, USA
Founded20212016

GitHub Copilot

The market leader with best-in-class code generation, features, and IDE support.

github.com/features/copilot

See full entry in GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026

Replit AI (Ghostwriter)

Perfectly integrated AI for the Replit online IDE, ideal for rapid prototyping.

replit.com/ai

See full entry in GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.