{
 "schema_version": 1,
 "generated": "2026-10-31",
 "repo": "janhq/jan",
 "name": "jan",
 "owner": "janhq",
 "slug": "janhq-jan",
 "github": "https://github.com/janhq/jan",
 "what": "Jan is an open-source ChatGPT replacement that downloads and runs LLMs such as Llama, Gemma, Qwen and GPT-oss locally from Hugging Face, with full control and privacy. It can also connect to cloud models from OpenAI, Anthropic, Mistral, Groq and others, lets you create custom assistants, exposes an OpenAI-compatible API at localhost:1337 and supports the Model Context Protocol for agentic features.",
 "why": "45k stars, talked about in 2 AI sources we track",
 "language": "Rust",
 "requirements": [
  "Windows 10+, macOS 13.6+ or most Linux distributions",
  "RAM for the model size: 8GB for 3B models, 16GB for 7B, 32GB for 13B on macOS",
  "To build from source: Node.js 20+, Yarn 4.5.3+, Make and Rust"
 ],
 "audience_note": "People who want a private ChatGPT-style app on their own computer, and developers who want a local OpenAI-compatible endpoint.",
 "risk": "none",
 "section": "earlier",
 "weekly_rank": null,
 "category": "Personal productivity",
 "url": "https://dedupedai.com/use-cases/janhq-jan/",
 "use_case_count": 3,
 "use_cases": [
  {
   "id": "janhq-jan--chat-with-a-local-model-offline",
   "title": "Chat with an AI model fully offline",
   "best": true,
   "url": "https://dedupedai.com/use-cases/janhq-jan/chat-with-a-local-model-offline/",
   "json": "https://dedupedai.com/use-cases/u/janhq-jan/chat-with-a-local-model-offline.json"
  },
  {
   "id": "janhq-jan--use-jan-as-a-local-openai-api",
   "title": "Use Jan as a local OpenAI-compatible API",
   "best": false,
   "url": "https://dedupedai.com/use-cases/janhq-jan/use-jan-as-a-local-openai-api/",
   "json": "https://dedupedai.com/use-cases/u/janhq-jan/use-jan-as-a-local-openai-api.json"
  },
  {
   "id": "janhq-jan--build-jan-from-source-with-gpu-support",
   "title": "Build Jan from source with your GPU engine",
   "best": false,
   "url": "https://dedupedai.com/use-cases/janhq-jan/build-jan-from-source-with-gpu-support/",
   "json": "https://dedupedai.com/use-cases/u/janhq-jan/build-jan-from-source-with-gpu-support.json"
  }
 ],
 "disclaimer": "Third-party repos we don't own or vouch for. AI-generated use cases can be wrong: review everything and run at your own risk."
}