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.
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Alternatives list
The 100 line AI agent that solves GitHub issues or helps you in your command line. Radically simple, no huge configs, no giant monorepo—but scores >74% on SWE-bench verified!.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Docker
- GitHub

Free, open-source desktop AI agent operates locally, runs on all major operating systems, supports various AI models, reads and writes files, makes precise code edits, executes commands with permission, keeps code and data on-device, and requires no setup or API key.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
China

AICode is a VS Code extension that helps software developers maintain large, complex enterprise software using AI.
Cost / License
- Freemium
- Proprietary
Platforms
- Visual Studio Code
France
EU


Tatastu is the friendly desktop app for building with Claude. It is the visual home for Claude Code and a calmer alternative to editors like Cursor, made for people new to coding or who just want it to feel simple.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
United States


Konxios is a Mac desktop app that sits on top of Ollama/LMStudio and turns local models into a full AI assistant with an actual workspace.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
United States


+4
A coding-focused perk of the Kimi membership, engineered to drop into any dev workflow, answer faster and more reliably, and get programming tasks done in record time.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Windows
- Mac
- Linux
- Visual Studio Code
- Cursor
China


OB-1 is a terminal-based coding agent — like Claude Code, but with multi-model access and self-optimizing workflows. You bring your own API keys (or use ours), pick the best model for each task, and let OB-1 handle the rest.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
- Linux
- Mac
United States


+1
Cost / License
- Free
- Open Source (Apache-2.0)
Application typeApplication types
Platforms
- Typescript
- Windows
- Mac
- Linux
- BSD
Netherlands
EU


+1
- 57 Factory alternatives
A software development agents that work everywhere you do. From IDE to CI/CD - delegate complete tasks like refactors, incident response, and migrations to Droids.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Online
- Linux
United States


+4
ShaggAi is a local-first AI automation and autocomplete platform that turns natural language into real actions on your PC and adds Copilot-style “ghost text” to almost any editor.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows
- Linux
Germany
EU


+2
- 32 Ceres Assistant alternatives
An AI assistant that lives in your browser and code editor to write, rewrite, improve, translate and develop everything you are working on, using browser On-Device AI.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Google Chrome
- Online


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