Atomic Chat

Open-source ChatGPT alternative that runs locally on your computer (offline) with full data privacy

Features

Runs LLMs locally (Llama, Qwen, DeepSeek, etc.) with no cloud dependency 100% offline + private (no data leaves your device) Supports 1000+ models from Hugging Face ecosystem Custom AI assistants + agent workflows Built-in local API server (OpenAI-compatible) Integrations with cloud providers (optional): OpenAI, Anthropic, etc. Project-based chats, file uploads, persistent memory Optimized inference (faster + lower memory via quantization)

Free (no subscription, no limits)

Who it’s for

Developers and AI enthusiasts who want local LLM control Privacy-focused users (no cloud, no tracking) Power users running models on their own hardware Teams experimenting with AI agents and workflows locally

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