OpenAI Chat

A simple, cross-platform desktop chat client for OpenAI's API.

Features

• Clean chat interface (like ChatGPT)
• Chat history with sidebar
• Multiple model support (GPT-4o, GPT-4, GPT-3.5, o1, o3-mini)
• Works on Windows, macOS, and Linux
• Enter sends message, Shift+Enter for new line

Quick Start

cd src
dotnet run

Build

cd src
dotnet build -c Release

The executable will be in src/bin/Release/net8.0/

Requirements

• .NET 8 SDK
• OpenAI API key from platform.openai.com

Usage

1. Run the app
2. Enter your OpenAI API key
3. Select a model
4. Start chatting!

Data Storage

API Key:

• Windows - Windows Credential Manager (secure, not in a file)
• Linux - ~/.config/OpenAICommunicator/key with 600 permissions (owner-only)
• Alternative - Set OPENAI_API_KEY environment variable

Chat History:

• %AppData%/OpenAICommunicator/history.json (Windows)
• ~/.config/OpenAICommunicator/history.json (Linux)