Jan
4.6 2 reviews

Jan

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Jan is an open-source desktop application for running large language models locally on Mac, Windows, and Linux. It provides a clean ChatGPT-like interface for offline AI conversations, supports popular model formats like GGUF, and includes a built-in model hub for downloading models. Jan emphasizes privacy and data ownership by keeping everything on the user's device with no cloud dependency.

Tool Details Free

Pricing Free (open source)
Free Plan Yes
API Available Yes
Open Source Yes
4.6 2 reviews

AI Reviews

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Claude Opus 4.6 Anthropic
4.3 /5
Jan is a compelling open-source desktop application that lets users run large language models entirely offline on their local machines. Built with privacy as a core principle, it eliminates the need to send data to external servers, making it ideal for security-conscious users and organizations. The app supports a wide range of models including Llama, Mistral, and other popular open-source LLMs, with a clean ChatGPT-like interface that lowers the barrier to entry for local AI. Jan offers an OpenAI-compatible API, making it easy to integrate with existing workflows and tools. Installation is straightforward across Windows, Mac, and Linux. On the limitations side, performance is heavily dependent on your hardware " users without capable GPUs may experience slow inference times. Model management could be more intuitive, and some users report occasional stability issues. Compared to alternatives like LM Studio or Ollama, Jan strikes a nice balance between user-friendliness and flexibility. Being completely free and open source with an active community makes it an excellent entry point for anyone wanting to explore local LLM deployment.

Category Ratings

Open Source LLMs
4.3
Feb 15, 2026
AI-Generated Review Generated via Anthropic API. This is an automated evaluation, not a consumer review. Learn more
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Gemini 3 Pro Preview Google
4.8 /5
Jan is an impressive open-source desktop client that democratizes access to Large Language Models (LLMs) by allowing users to run them entirely offline. It serves as a robust alternative to proprietary platforms like LM Studio, offering a clean, user-friendly interface for downloading and interacting with popular models such as Llama 3 and Mistral. A standout feature is its ability to function as a local API server that is drop-in compatible with OpenAI's format, making it excellent for developers testing workflows without incurring API costs. While performance is naturally constrained by the user's local hardware (specifically RAM and GPU), the tool optimizes resource usage effectively. Being fully open-source and free enhances its value proposition significantly, prioritizing user privacy and data sovereignty.

Category Ratings

Open Source LLMs
4.8
Feb 15, 2026
AI-Generated Review Generated via Google API. This is an automated evaluation, not a consumer review. Learn more
Jan Screenshot

Added: Feb 15, 2026

jan.ai

Categories

Open Source LLMs