Codex Alternatives

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 100 alternatives to Codex for a variety of platforms, including Mac, Windows, Linux, Web-based and Visual Studio Code apps. The best Codex alternative is opencode, which is both free and Open Source. Other great apps like Codex are Google Antigravity, Claude Code, Cursor and Void.

filter to find the best alternatives

Codex alternatives are mainly AI Coding Assistants, but if you're looking for Code Editors or IDEs you can filter on that. Other popular filters include Open Source. 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 Codex.
Copy a direct link to this comment to your clipboard
Alternatives
Get a badge for your siteCodex alternatives page was last updated

Alternatives list

  1. Ungate icon
     1 like

    Ungate lets you use Claude, ChatGPT, and MiniMax subscriptions in Cursor instead of paying for API tokens. Claude and ChatGPT authenticate via OAuth; MiniMax uses provider API credentials.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Cursor
    Good alternative?
     
  2. AgentOne icon
     1 like

    AgentOne is an AI agent built to help you get work done across your apps from start to finish. Tell it what you need in plain language, and it can carry out multi-step tasks on its own using the right tools and context from your connected services.

    63 AgentOne alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Snapcraft
    Good alternative?
     
  3. MobileCodeAI icon
     1 like

    The first AI powered SDE on iPhone. For engineers to be able to write and ship code from anywhere entirely from a phone.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • iPhone
    Good alternative?
     
  4. CodeCritic icon
     1 like

    🚀 Get instant AI code reviews for free. Catch bugs, security issues & learn best practices. Supports Python, JavaScript, Go, Rust & 25+ languages. Try now!.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  5. Selfcoder icon
     Like

    SelfCoder is AI coding assistant for VS Code-compatible editors, designed as a local-first alternative to GitHub Copilot. It integrates directly with local Ollama models to provide AI-powered code completion, chat, and coding assistance while keeping development workflows...

    8 Selfcoder alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  6. Shellular icon
     Like

    Shellular connects your phone to your development computer over an encrypted connection. Get a full terminal emulator, AI coding agents, a file manager with Git integration, an in-app browser with DevTools, and real-time system monitoring — no SSH setup required.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    Good alternative?
     
  7. Atlarix icon
     Like

    Atlarix is a visual AI coding copilot where architecture becomes persistent memory. Build with Blueprints, AI agents, and smart scaffolding.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Linux
    Good alternative?
     
  8. OpenBot icon
     Like

    OpenBot is an open-source, local-first platform for running and coordinating AI agents. It provides a local agent server where agents can process events, manage threads and channels, use plugins, and interact through a small API designed for agent-based automation.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Online
    Good alternative?
     
  9. The self-hosted AI workflow automation platform for Git repositories (supports fully air-gapped operation)

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Docker
    • Self-Hosted
    Good alternative?
     
  10. Stellify icon
     Like

    AI-native Laravel development platform. Build full-stack Laravel/Vue apps in your browser with an AI agent that understands your entire codebase — not just the file it's looking at.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • GB flagUnited Kingdom
    Stellify screenshot 1
    Good alternative?
     
  11. Clawme icon
     Like

    Personal AI Assistant built for OpenClaw.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
    • Mac
    • US flagUnited States
    Clawme screenshot 1
    Good alternative?
     
You are at page 10 of Codex alternatives