Codex Alternatives

Apps similar to Codex include opencode, which is free and open source. Other options are Claude Code, Google Antigravity, Cursor and Void. There's no shortage of AI Coding Assistants like Codex, with more than 100 alternatives for Mac, Windows, Linux, the web and self-hosting.

filter to find the best alternatives

Most Codex alternatives are AI Coding Assistants, but you can also narrow the list to Code Editors or IDEs. Another popular filter is Open Source. You can also filter for EU-based alternatives if you prefer software from the European Union.
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Alternatives
Codex alternatives page was last updated

Alternatives list

  1. JetBrains AI Assistant icon

    JetBrains AI Assistant

     3 likes

    With JetBrains AI, your favorite tools gain new abilities while you are empowered with more information at your fingertips.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • JetBrains Rider
    • CLion
    • IntelliJ IDEA
    • Pycharm
    • PhpStorm
    • RubyMine
    • WebStorm
    • ReSharper
    • CZ flagCzechia
    • European Union flagEU
    JetBrains AI Assistant screenshot 1
    Good alternative?
     
  2. Sweep icon

    Sweep

     5 likes

    Sweep is an AI junior developer that turns bugs and feature requests into code changes. Sweep automatically handles devex improvements like adding typehints/improving test coverage. 🤖

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • GitHub
    • Self-Hosted
    • Software as a Service (SaaS)
    • US flagUnited States
    Sweep screenshot 1
    Good alternative?
     
  4. Cody icon

    Cody

     5 likes

    Comprehensive AI coding assistant for writing, fixing, and maintaining code by leveraging the entire codebase and code graph. Integrates with various IDEs, providing features like AI chat, autocomplete, and inline edit, and promotes team productivity.

    79 Cody alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Visual Studio Code
    • Software as a Service (SaaS)
    • US flagUnited States
    Cody screenshot 1
    Good alternative?
     
  5. Ad
    Screenshot
    Hostinger Horizons icon
    Hostinger Horizons

    AI-driven no-code platform to create full-stack web apps quickly, featuring instant one-click deployment, integrated hosting, domain tools, professional email, real-time editing, version control, and rapid live publishing with a ...

    https://www.hostinger.com
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  6. BLACKBOX.AI icon

    BLACKBOX.AI

     2 likes

    Comprehensive AI coding assistant supporting code completion, debugging, and optimization with over 300 models, multi-platform access, seamless workflow integration, automation, context awareness, and input handling for text, image, video, and speech.

    61 BLACKBOX.AI alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Visual Studio Code
    • Software as a Service (SaaS)
    • US flagUnited States
    BLACKBOX.AI screenshot 1
    Good alternative?
     
  7. Ouijit icon

    Ouijit

     3 likes

    Custom task and session manager using Git worktrees to organize parallel workflows, integrates with agent CLIs and TUIs through hooks and scripts, provides live agent status, automated environment setup, VM sandboxing for secure code, and session-aware automation.

    Cost / License

    Platforms

    • Mac
    • Linux
    • US flagUnited States
    Kanban board view showing tasks with idle and busy agents.
    Good alternative?
     
  9. IntelliCode icon

    IntelliCode

     6 likes

    IntelliCode saves you time by putting what you’re most likely to use at the top of your completion list. IntelliCode recommendations are based on thousands of open source projects on GitHub each with over 100 stars.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Visual Studio Code
    • US flagUnited States
    IntelliCode screenshot 1
    Good alternative?
     
  10. aider icon

    aider

     8 likes

    Aider is a command line tool that lets you pair program with GPT-3.5/GPT-4, to edit code stored in your local git repository. Aider will directly edit the code in your local source files, and git commit the changes with sensible commit messages.

    114 aider alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    aider screenshot 1
    Good alternative?
     
  11. Sourcegraph icon

    Sourcegraph

     15 likes

    Maximize coding efficiency with Sourcegraph’s AI-powered platform. Search and navigate codebases, automate low-level tasks, and improve code quality with custom agents. Sourcegraph ensures seamless integration, security, and deployment flexibility across environments.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Google Chrome
    • Safari
    • Visual Studio Code
    • Software as a Service (SaaS)
    • Mozilla Firefox
    • US flagUnited States
    Sourcegraph screenshot 1
    Good alternative?
     
  12. Supermaven icon

    Supermaven

     9 likes

    Supermaven is a coding assistant that uses AI to help you write code faster. Breeze through code refactoring with Supermaven's fast and accurate suggestions.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Visual Studio Code
    • Neovim
    • US flagUnited States
    Supermaven screenshot 1
    Good alternative?
     
  13. CodiumAI icon

    CodiumAI

     5 likes

    CodiumAI’s first tool is an IDE extension that interacts with the developer to generate meaningful tests and code explanations for busy devs.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Visual Studio Code
    • IL flagIsrael
    CodiumAI screenshot 1
    Good alternative?
     
  14. Dyad icon

    Dyad

     5 likes

    Dyad.sh is a free, local, and open-source AI app builder designed to empower users to create powerful custom applications without coding and without vendor lock-in. It runs entirely on your own computer, ensuring full control over your source code and data privacy.

    80 Dyad alternatives

    Cost / License

    • Free Personal
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • US flagUnited States
    Dyad screenshot 1
    Good alternative?
     
  15. Verdent icon

    Verdent

     1 like

    Agentic AI coding suite with multiple parallel agents for planning, coding, verifying, and orchestrating complex software tasks.

    59 Verdent alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • JetBrains IDE
    • Visual Studio Code
    • Windows
    Verdent screenshot 1
    Good alternative?
     
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