Cost / License
- Free
- Proprietary
United StatesPlatforms
- Windows
- Mac
+3
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, Web-based and Visual Studio Code apps. The best OpenAI Codex alternative is Google Antigravity, which is free. Other great apps like OpenAI Codex are opencode, Gemini CLI, Void and Claude Code.
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. 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 OpenAI Codex.
Alternatives list
guIDE is the first truly native LLM IDE — unlimited completions, complete privacy, no subscriptions. Built like VS Code, designed for your local LLM AI models directly on your machine. Offline-first and privacy-first with native tools built for speed.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
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
+1
