Jan AI

An open-source platform that transforms your computer into an AI powerhouse. Jan is an open-source alternative to ChatGPT. Run open-source AI models locally or connect to cloud models like GPT, Claude and others. Jan AI is an open-source desktop application that runs large language models locally on your computer, giving you a ChatGPT-style interface without sending any data to the cloud unless you choose to connect a remote model. When you use local models everything stays on your machine, there's no chat snooping, no prompt logging, and no data leaves your device by default, which makes it especially appealing if privacy matters to you. You can run popular open-source models like Llama, Mistral, Qwen, Gemma, DeepSeek, and even Jan's own Jan-V1-4B, plus you can connect to cloud models like ChatGPT, Claude, or Gemini if you want hybrid use. Not necessarily, it works on standard laptops with decent specs, though faster GPUs (NVIDIA, AMD, or Apple Silicon) give much better performance, smaller models run smoothly even on modest hardware. The app is free and open-source, local models cost nothing to run after you download them, and there are no subscription fees or API bills for offline usage. Jan AI stands out for its clean, beginner-friendly chat interface and strong privacy focus, while Ollama tends to be faster for developers and LM Studio offers more advanced model tweaking, so it depends on whether you want simplicity or deep customization.