Which is more popular, Claude Code or Codex?

Claude Code has more GitHub stars (149,027 vs 127,691).

Which is more actively developed, Claude Code or Codex?

Codex had more commits in the last 90 days (3,879 vs 211).

Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.

Side-by-side comparison of two AI agent tools

Pick Claude Code for: agentic coding tool that understands codebases and handles tasks and Git workflows from your terminal. Pick Codex for: lightweight coding agent that runs in your terminal.

From GitHub data refreshed daily.

Agentic coding tool that understands codebases and handles tasks and Git workflows from your terminal

Codexopen-source

Lightweight coding agent that runs in your terminal

+Natural language interface eliminates the need to memorize complex command syntax and enables intuitive interaction with development tools
+Deep codebase understanding allows for contextually relevant suggestions and automated workflows that consider your entire project structure
+Cross-platform compatibility with multiple installation methods and integration options including terminal, IDE, and GitHub environments

+Runs locally on your machine, providing better privacy and control over your code
+Seamless integration with existing ChatGPT subscriptions without requiring separate API setup
+Multiple deployment options including CLI, IDE extensions, desktop app, and web access

-Requires active internet connection and API access to function, creating dependency on external services
-Data collection for feedback purposes may raise privacy concerns for developers working on sensitive or proprietary codebases
-As a relatively new tool, long-term stability and feature consistency may be less established compared to traditional development tools

-Requires ChatGPT Plus/Pro subscription or separate API key setup for full functionality
-Limited documentation suggests the tool may still be in early development stages

•Automating routine git workflows like branch management, commit message generation, and merge conflict resolution through natural language commands
•Explaining complex legacy code or unfamiliar codebases to help developers quickly understand intricate patterns and architectural decisions
•Executing repetitive coding tasks such as refactoring, test generation, and boilerplate code creation without manual implementation

•Terminal-based coding assistance for developers who prefer command-line workflows
•Local AI code generation and debugging while maintaining code privacy
•Integrated development workflow across multiple environments (terminal, IDE, desktop)

Which is more popular, Claude Code or Codex?: Claude Code has more GitHub stars (149,027 vs 127,691).
Which is more actively developed, Claude Code or Codex?: Codex had more commits in the last 90 days (3,879 vs 211).
Should I use Claude Code or Codex?: Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.