OpenAI Codex alternatives

O

Replacing

OpenAI Codex · Free · from $8/mo

Full profile →

1. 1G
   GitHub Copilot

   AI coding assistant and agents for editors, terminal, desktop and GitHub

   Pricier: from $10/moNo APIDesktop app
   Free · from $10/movs OpenAI CodexVisit
2. 2C
   Cursor

   AI coding agent and editor for developers and engineering teams

   No APIDesktop app
   Free · from $8/movs OpenAI CodexVisit
3. 3W
   Windsurf

   AI coding IDE and command center for running local and cloud coding agents

   Pricier: from $20/moDesktop app
   Free · from $20/movs OpenAI CodexVisit
4. 4D
   Devin

   Autonomous AI software engineer that writes, tests and reviews code to merge-ready PRs

   Pricier: from $20/moNo APIDesktop app
   Free · from $20/movs OpenAI CodexVisit
5. 5J
   JetBrains AI

   Run and review AI coding agents across projects in JetBrains IDEs, web and CLI

   Pricier: from $10/moNo API
   Free · from $10/movs OpenAI CodexVisit
6. 6K
   Kiro

   Spec-driven agentic coding IDE and CLI for developers and engineering teams

   Pricier: from $20/moNo API
   Free · from $20/movs OpenAI CodexVisit
7. 7A
   Amazon Q Developer

   AI coding assistant for AWS developers in the IDE, CLI and AWS Console

   Pricier: from $19/moNo API
   Free · from $19/movs OpenAI CodexVisit
8. 8K
   Kilo Code

   Open-source AI coding agent for VS Code, JetBrains, CLI and cloud with 500+ models

   Pricier: from $15/moOpen sourceNo APIDesktop app
   Free · from $15/movs OpenAI CodexVisit
9. 9C
   Cline

   Open-source AI coding agent for your editor, terminal, desktop and apps

   Open sourceDesktop app
   Freevs OpenAI CodexVisit
10. 10A
    Aider

    AI pair programming in your terminal for new and existing codebases

    Open sourceNo API
    Freevs OpenAI CodexVisit
11. 11T
    Tabby

    Open-source, self-hosted AI coding assistant for developers and teams

    Pricier: from $19/moOpen sourceNo APISelf-hosted
    Free · from $19/movs OpenAI CodexVisit

Side-by-side comparison

Tool	Price	Free plan	API	Open source	Platforms
O OpenAI Codex	Free · from $8/mo				web, ios, api, slack
G GitHub Copilot	Free · from $10/mo				web, macos, vscode, jetbrains	vs OpenAI Codex
C Cursor	Free · from $8/mo				macos, web, slack	vs OpenAI Codex
W Windsurf	Free · from $20/mo				macos, jetbrains	vs OpenAI Codex
D Devin	Free · from $20/mo				web, windows, macos, linux	vs OpenAI Codex
J JetBrains AI	Free · from $10/mo				web, jetbrains	vs OpenAI Codex
K Kiro	Free · from $20/mo				web	vs OpenAI Codex
A Amazon Q Developer	Free · from $19/mo				web, vscode, jetbrains, slack	vs OpenAI Codex
K Kilo Code	Free · from $15/mo				vscode, jetbrains, web, macos	vs OpenAI Codex
C Cline	Free				vscode, jetbrains, macos, windows	vs OpenAI Codex
A Aider	Free				—	vs OpenAI Codex
T Tabby	Free · from $19/mo				self-hosted, vscode, jetbrains, web	vs OpenAI Codex