v1.0.0 Now Available

The AI-Native IDE

Code, chat, and build with AI. All free models via OpenRouter.

LEGION Coder v1 combines a powerful Monaco editor with integrated AI assistance, terminal, debugger, and Git support.

Download for

Windows

Download for

Android

44 Features Free AI Models Open Source

App.tsx

                    
                    import { useState } from 'react';
                
                    // AI-Powered Code Editor
                
                    export default function LEGIONCoder() {
                
                      const [code, setCode] = useState('');
                
                      // 44 AI features at your fingertips
                
                      return <Editor theme="dark" />;
                
                    }

Everything You Need

44 powerful features built for modern development

AI Chat

Built-in chat with OpenRouter. Access GPT-4, Claude, Llama, and more — all free.

Monaco Editor

Full-featured editor with IntelliSense, syntax highlighting, and auto-completion.

Terminal

Built-in terminal with multi-tab support. Run commands without leaving the editor.

Debugger

Step-through debugging with breakpoints and variable inspection.

Git Integration

Full Git support with visual diff, commit history, and branch management.

File Explorer

Tree-view file manager with drag-and-drop and quick file search.

Free AI Models

GPT-4o Mini

OpenAI

Free

Claude 3 Haiku

Anthropic

Free

Llama 3.1 8B

Mistral 7B

Mistral AI

Free

Gemma 2 9B

Google

Free

Qwen 2.5 7B

Alibaba

Free

DeepSeek V3

DeepSeek

Free

Phi-4

Microsoft

Free

Ready to Code Smarter?

Download LEGION Coder v1 today and experience the future of AI-assisted development.