OpenAI Codex Alternatives

OpenAI Codex is described as 'One agent for everywhere you code. Powered by OpenAI’s frontier coding models and included in ChatGPT Plus, Pro, Business, Enterprise, and Edu' 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, Visual Studio Code and Web-based apps. The best OpenAI Codex alternative is Google Antigravity, which is free. Other great apps like OpenAI Codex are Void, Gemini CLI, Windsurf Editor and opencode.

filter to find the best alternatives

OpenAI Codex alternatives are mainly AI Coding Assistants, but if you're looking for Code Editors or AI Chatbots you can filter on that. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to OpenAI Codex.
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OpenAI Codex alternatives page was last updated

Alternatives list

  1. IntelliCode icon
     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
     
  2. Cody icon
     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.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Visual Studio Code
    • Software as a Service (SaaS)
     
  3. 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
     
  4. Nut Chat icon
     3 likes

    Open source tool centered on AI-driven full stack app development, Nut generates bug analysis via Replay.io recordings and runtime behavior capturing, offering AI developers explanations for effective resolutions. Early adopters enjoy free access for feedback contributions.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
     
  5. opcode icon
     4 likes

    A powerful GUI app and Toolkit for Claude Code - Create custom agents, manage interactive Claude Code sessions, run secure background agents, and more.

    64 opcode alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  6. Augment Code icon
     3 likes

    Enhances developer collaboration by providing codebase-aware chat, intuitive code suggestions, and advanced AI-driven explanations; accelerates coding tasks, assists in understanding unseen code structures, improving communication vastly within teams.

    67 Augment Code alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  7. Sourcegraph icon
     14 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.

    66 Sourcegraph alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Google Chrome
    • Safari
    • Visual Studio Code
    • Software as a Service (SaaS)
    • Mozilla Firefox
     
  8. BLACKBOX.AI icon
     1 like

    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.

    54 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)
     
  9. Quack AI icon
     7 likes

    Quack AI is your companion for software team alignment. Streamline collaboration and improve productivity.

    Cost / License

    Platforms

    • Visual Studio Code
     
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