OpenAI Codex
OpenAI’s coding agent, available as a CLI, IDE extension and in ChatGPT.
About OpenAI Codex
In OpenAI Codex’s own words: “The best way to build with agents. Codex accelerates real engineering work, from planning and building features to refactors, reviews, and releases.”
People switching from Claude Code and Replit often consider OpenAI Codex.
OpenAI Codex is an alternative to
Similar to OpenAI Codex
- CursorAn AI-first code editor built on VS Code.
- GitHub CopilotAI pair programming inside VS Code, JetBrains IDEs and more.
- WindsurfAn AI-native code editor with an agent that works across your codebase.
- AiderOpen-source AI pair programming in your terminal, working with your git repo.
- Claude CodeAnthropic’s agentic coding tool for the terminal, IDE and desktop.
- ClineAn open-source coding agent for VS Code that works with many models.
- Gemini CLIGoogle’s open-source AI agent for the terminal.
- SupabaseAn open-source Firebase alternative built on Postgres, with auth, storage and realtime.
Listed for information; LaunchStall isn’t affiliated with OpenAI Codex. The quoted description comes from openai.com. Features and plans change — check the official site for current details.