OpenAI Codex Alternatives

OpenAI Codex is described as 'AI coding tool for automating code writing, editing, and task execution, supporting parallel tasks in secure sandboxes, with local and cloud agents for development' and is a ai coding assistant in the development category. There are more than 50 alternatives to OpenAI Codex for a variety of platforms, including Mac, Windows, Linux, Web-based and Visual Studio Code apps. The best OpenAI Codex alternative is Void, which is both free and Open Source. Other great apps like OpenAI Codex are Windsurf Editor, Cursor, Google Antigravity and opencode.

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Alternatives list

  1. vim-ai icon

    vim-ai

     4 likes
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    Complete text, generate code and chat with GPT in Vim/Neovim using OpenAI.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Editing/generating code
     

  4. hi - AI Assistant

     2 likes
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    hi isn't just another AI chat wrapper or fully autonomous coding agent - it's a context-aware terminal assistant that operates within your workflow. It sees what you see - your terminal window, eliminating context switching and copy-pasting.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Python
    • Mac
    • Linux
    • Windows
    hi - AI Assistant screenshot 1
     
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    Hostinger Horizons icon
    Hostinger Horizons

    Build and launch full-stack web apps, tools, and software in minutes without writing any code. Accelerate your time to market and forget development bottlenecks. Deploy your project in one click.

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  6. PaletAI icon

    PaletAI

     1 like
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    App to create, play, and share AI-generated mobile games, no coding required.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • iPhone
    PaletAI screenshot 1
    PaletAI screenshot 2
    PaletAI screenshot 3
     
  7. Traycer AI icon

    Traycer AI

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    Traycer transforms your ideas into clear, step-by-step plans that AI coding tools like Claude Code and Cursor can follow easily. Spend less time writing prompts and complete your projects faster.

    29 Traycer AI alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    Traycer AI screenshot 1
     
  8. BLACKBOX.AI icon

    BLACKBOX.AI

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    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.

    53 BLACKBOX.AI alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Visual Studio Code
    • Software as a Service (SaaS)
    BLACKBOX.AI screenshot 1
     

    • BLACKBOX.AI is the most popular Android, iPad & Android Tablet alternative to OpenAI Codex.

    • BLACKBOX.AI is Paid and ProprietaryOpenAI Codex is also Paid and Proprietary
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