BayesChat - Private AI chat

BayesChat is a powerful, privacy-first AI chat client that lets you connect to all major AI providers in one place.

All Your AI Models, One App Access GPT-4, Claude, Gemini, DeepSeek, and more by bringing your own API keys. Switch between models instantly with saved presets.

Smart Prompt Templates Built-in templates for translation, writing, research, and Q&A. Save your own custom prompts for repeated use.

Local AI Support Connect to local AI servers like Ollama and LM Studio on your home network — no cloud required.

Customizable Experience Choose from multiple themes, adjust fonts and colors, and tailor the chat interface to your preference.

Advanced Controls Fine-tune temperature, top-P, top-K, and other parameters. Configure MCP tools for extended capabilities.

Privacy First Your API keys are stored securely in the Keychain. No data is collected or tracked. All conversations stay on your device.

Pro Features Unlock unlimited messages, unlimited providers, MCP tools, prompt templates, chat presets, and advanced parameters with a one-time purchase.

Supports 22 languages including English, Chinese, Japanese, Korean, German, French, Spanish, and more.