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

Product screenshot

Product screenshot

Overview

What is Atomic Chat?

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

Platforms and languages

Atomic Chat Availability

Platforms

Web

Languages

English

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