OpenAI Codex
Product by OpenAI
OpenAI’s coding agent, in ChatGPT, a terminal CLI and IDE extensions, that works on tasks in the cloud or locally.
Alternatives to OpenAI Codex
Ranked by category and the features they share with OpenAI Codex.
- Claude Code Anthropic
Anthropic’s coding agent: it reads your codebase, edits files, runs commands and opens PRs, in the terminal, IDE, desktop and web.
Paid APIterminalautonomouscode reviewcoding agent OpenAI Codex vs Claude Code - Devin Cognition
An autonomous software engineer that takes tickets, works in its own cloud environment and opens pull requests.
Paid APIautonomouscode reviewcoding agent OpenAI Codex vs Devin - Aider Aider (community)
An open source pair programmer in the terminal that edits your git repo and commits as it goes.
Free Open sourceterminalcoding agent OpenAI Codex vs Aider - GitHub Copilot GitHub (Microsoft)
Code completion, chat and a coding agent across VS Code, JetBrains IDEs and github.com, with a choice of models.
Free plan + paidcode reviewcoding agentmcp OpenAI Codex vs GitHub Copilot - Cursor Anysphere
An AI code editor built on VS Code, with tab completion, chat and agents that change many files at once.
Free plan + paidcode reviewcoding agentmcp OpenAI Codex vs Cursor - Cline Cline
An open source coding agent for VS Code that works with any model provider and asks before each step.
Free Open sourcecoding agentmcp OpenAI Codex vs Cline - Windsurf Cognition
An AI code editor with an agent, Cascade, that plans and carries out multi-file changes.
Free plan + paidcoding agentmcp OpenAI Codex vs Windsurf - Replit Replit
A browser IDE whose Agent builds, hosts and deploys full apps from a description.
Free plan + paidcoding agent OpenAI Codex vs Replit - Tabnine Tabnine
Code completion and chat for companies that need private or on-premises deployment.
Paid - Lovable Lovable
Describe a web app and Lovable builds it, with a database, auth and hosting, editable by chat.
Free plan + paid