Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
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 Claude Code, Google Antigravity, 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.
Alternatives list
CodeSage is an AI Chatbot that reads code directly from github to get you the most accurate answers. It solves the problem of incorrect code given by chatbots like ChatGPT because they do not have info on the specific version of the library you're using.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Frontman is an AI Agent that lives in your browser, sees your live DOM, and turns your visual feedback into real changes - no more refresh-and-check cycles.
Cost / License
- Paid
- Open Source
Platforms
- Online
- Next.js
- Wordpress
Germany
EU
33 Freebuff alternativesFreebuff is a development platform that provides free access to AI coding agents through multiple interfaces, including a Desktop application, a Command Line Interface (CLI), a Web app builder, and a Cloud-based IDE.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
- Online
United States
Agentica is an AI coding assistant that makes AI-powered development affordable for developers who need hundreds of daily requests. Unlike expensive alternatives that force you to ration your usage, Agentica offers 100 free requests daily with open source models, perfect for...
Cost / License
- Freemium
- Open Source (Apache-2.0)
Application type
Platforms
- Cursor
- Windsurf
- Visual Studio Code
- United States
6 Nimbalyst alternativesNimbalyst is the agent-native visual workspace for builders. Maximize speed, bandwidth, and context with Codex and Claude Code. Nimbalyst is where builders, agents, and teams collaborate visually on markdown, mockups, drawing, code, sessions, and tasks.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- United States
+2
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Linux
- Mac
+3
SageBow's autonomous AI agents deploy directly into your Python environment and execute end-to-end tasks.
Cost / License
- Paid
- Proprietary
Platforms
- Software as a Service (SaaS)
- United States
+2
CrewCode — an open-source (Apache-2.0) desktop app for running multiple coding agents at once without losing control of your repo.
Cost / License
- Free
- Open Source (Apache-2.0)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- United States
+1
Trae Plugin is an AI-powered cloud-based IDE (Integrated Development Environment). The built-in AI Assistant and the out-of-the-box development environment let you focus more on the development of various projects.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Visual Studio Code
Agent Teams AI is a free, open-source app for running an autonomous team of AI agents. Agents take ownership of tasks, pass work to each other, and review each other's changes while you stay in control. You can start with a free model with no signup, API key, or card.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Mac
- Windows
- Linux
+4
DeepSeek Harness (dsh) is an open-source agent harness from DeepSeek AI for building and running customizable AI agents. Its everything-is-a-plugin architecture, powered by Cordis, makes models, tools, skills, sessions, sandboxes, storage, scheduling, UI and other capabilities...
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted
- JavaScript
- Typescript
- npm
- Node.JS
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