The open source AI code editor. Write code with the best AI tools, use any model, and retain full control over your data.
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OpenAI Codex AlternativesAI Coding Assistants and other similar apps like OpenAI Codex
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 Void, which is both free and Open Source. Other great apps like OpenAI Codex are Google Antigravity, Gemini CLI, opencode and Windsurf Editor.
Alternatives list
- 74 Void alternatives
34 Google Antigravity alternativesGoogle Antigravity is an agentic IDE and coding environment designed to support real world software projects through autonomous development workflows. It provides an agent first workspace where developers set direction while AI agents carry out tasks such as coding, debugging...
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41 Gemini CLI alternativesOpen-source terminal AI connects to development tools, understands and edits code, generates, explains, and refactors using natural language, automates complex workflows, executes shell commands, grounds interactions with search, and supports extensibility via protocols and prompts.
60 opencode alternativesTerminal-based AI coding assistant featuring a themed native UI, automatic LSP integration, multi-agent sessions, 75+ supported LLMs, local and cloud model options, shareable debugging links, open source licensing, and session sharing for collaborative coding workflows.
64 Windsurf Editor alternativesWindsurf Editor is an IDE merging AI and developers for lockstep collaboration with Cascade capabilities, boosting speed and contextual coding through copilot and agent-like systems across Mac, Windows, and Linux.
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98 Cursor alternativesThe AI-first Code Editor. Build software faster in an editor designed for pair-programming with AI.
64 Firebase Studio alternativesA cloud-based, agentic development environment designed to accelerate how you build, test, deploy and run production-quality AI applications, all in one place.
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78 Claude Code alternativesTransform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching.
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64 Mellum alternativesMellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.
91 GitHub Copilot alternativesGitHub Copilot leverages the power of OpenAI Codex to provide real-time suggestions for code and complete functions, all within your editor. With its training on vast amounts of code, GitHub Copilot translates natural language prompts into coding suggestions across multiple...
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Visual Studio Code
- Neovim
- Microsoft Visual Studio
37 Kiro alternativesKiro is an AI-powered IDE developed by Amazon Web Services to help developers build and ship production-ready software from prompt to deployment. Based on VS Code, it combines intuitive "vibe coding" with structured...
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