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#12 by GitHub stars · Coding

Codex

OpenAI

OpenAI's coding agent for terminal, IDE, desktop, and cloud workflows, with local repository tools and sandbox controls.

View on GitHub 127.6k stars checked 2026-10-02
Access
Open source
Setup
Technical
Pricing
ChatGPT plan or API usage
License
Apache-2.0
Maintenance
Active
Last repository push
2026-10-02
Our verdict

Strong local coding agent

It combines a fast native client with clear approval controls and access through ChatGPT plans or an API key.

Who it fits

Developers who want an OpenAI-native coding workflow with local execution and reviewable changes.

Who should skip it

Users who do not want to grant a coding agent terminal and repository access.

What you need

  • Supported OpenAI account or API key
  • Terminal or IDE
  • Git repository
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Comparison of Codex with similar AI agents
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