PromptBuddy

Disclaimer: This app is not affiliated with OpenAI or ChatGPT. It simply connects to OpenAI’s public APIs with your provided credentials.

PromptBuddy is a lightweight, open-source AI assistant built for speed, privacy, and flexibility. Connect it to OpenAI’s language and image models using your own API key — no login required, no hidden costs.

Originally developed as a personal tool, PromptBuddy is now available for everyone on iOS, macOS, and visionOS. Whether you’re writing, brainstorming, coding, or experimenting with AI, PromptBuddy gives you full control in a clean, fast interface.

Features: • Fast, minimalist AI chat interface • Works with your OpenAI API key – no account required • Supports image generation and editing via text prompts • Conversation history with easy management • Native support for iOS, macOS, and visionOS • 100% open source – view the code: https://github.com/zhangxigithub/PromptBuddy

Privacy First: Your API key and conversations stay on your device. PromptBuddy collects no data.