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Codeium vs Codex by OpenAI
Side-by-side comparison of features, pricing, and ratings
A cloud-based software engineering agent that writes code, fixes bugs, and proposes pull requests.
Visit WebsitePricing
Freemium
Paid
Plans
$0
$12/user/mo
Custom
Included with ChatGPT Pro ($200/mo)
Rating
—
—
Popularity
5.7k views
3.5k views
Skill Level
Beginner-friendly
Advanced
API Available
Platforms
WebDesktopAPI
WebAPI
Categories
💻 Code & Development
💻 Code & Development
Features
AI autocomplete (Tab)
In-editor chat (Cascade)
Autonomous cloud agent (Devin)
Devin for Terminal CLI agent
Local agent with lint auto-fix
Drag-and-drop image to code
MCP (Model Context Protocol) support
Agent Command Center dashboard
Spaces for bundling sessions and context
70+ programming languages
Fast inference speed
JetBrains plugin
VS Code extension
Windsurf native IDE
Cloud preview deployments
Parallel task execution in isolated cloud sandboxes
Preload repositories for each task
Read and edit files, run commands (tests, linters, type checkers)
Real-time progress monitoring
Commit changes and open pull requests via GitHub
Provide citations of terminal logs and test outputs
Guided by AGENTS.md files for custom configuration
Powerful codex-1 model (version of o3 with RL training)
Aligns to human coding preferences and PR styles
Iterative test execution until passing
Safe refusal of malicious software development requests
Secure execution with no internet access during tasks
Integrations
VS Code
JetBrains
Neovim
Figma
Slack
Stripe
PostgreSQL
Playwright
Neon
Sequential Thinking
GitHub