Replit AI (Ghostwriter) vs Codeium

Side-by-side from the Top 11 ranking of The 11 Best AI Coding Assistants. Last verified May 31, 2026.

The short answer

Replit AI (Ghostwriter) ranks higher on Top 11 (#4 vs #5) for Software engineers and engineering leaders choosing AI pair-programmers. Perfectly integrated AI for the Replit online IDE, ideal for rapid prototyping.

At a glance

Replit AI (Ghostwriter)Codeium
Top 11 rank#4 / The 11 Best AI Coding Assistants#5 / The 11 Best AI Coding Assistants
Score (out of 9.4)8.58.3
Best forBest for browser-based IDEsBest free alternative
Pricing$ ($20/mo)$ ($0 to custom/mo)
HQSan Francisco, USAMountain View, USA
Founded20162021

Replit AI (Ghostwriter)

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

replit.com/ai

See full entry in The 11 Best AI Coding Assistants

Codeium

A fast, feature-rich, and high-quality free alternative to Copilot.

codeium.com

See full entry in The 11 Best AI Coding Assistants

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