OpenAI Codex vs GitHub Copilot
Compare pricing, features, integrations, and use cases without juggling tabs. One canonical profile for each tool — researched side by side.
AI Agents
OpenAI Codex
OpenAI’s software-engineering agent in ChatGPT, the IDE, the terminal, and a desktop app.
Developer Tools
GitHub Copilot
GitHub’s AI pair programmer for code completion and chat in the editor.
At a glance
Pricing model
freemium
freemium
Starting price
Included with ChatGPT
See website
Rating
4.6 / 5
4.4 / 5
Category
AI Agents
Developer Tools
Features
ChatGPT command center for parallel agents
IDE extension for VS Code, Cursor, and Devin Desktop
Terminal agent
Desktop app with worktrees and cloud environments
GitHub review comments and PR workflows
Research profile available
Integrations
ChatGPT
VS Code
Cursor
GitHub
JetBrains
Best for
Delegated coding tasks
Parallel agents on one repo
PR review and comment resolution
OpenAI-standardized engineering stacks
Developer Tools research and evaluation
Day-to-day work for developer tools teams
Comparing options before buying or switching
OpenAI Codex pricing
ChatGPT plans
Included
- • Codex in ChatGPT
- • IDE extension credits on the plan
- • Terminal access with the same account
API key
Usage-based
- • Sign in with an API key
- • Confirm current rates
GitHub Copilot pricing
Standard
See website
- • Core features