Assistant · Beta
Assistant
Chat with an AI that runs on your own computer.
Nothing to install: just open it in the browser on your phone, tablet or computer. It keeps working without internet after your first visit. Want an icon on your home screen? On iPhone or iPad, tap Share, then Add to Home Screen. On Android, open the browser menu and tap Add to Home screen. On a computer, click the install icon in the address bar.
Assistant has these main features: Local models via WebGPU, works offline; System check: what can your PC run?. It opens Text, Any image.
Beta: still being tested, so some parts may change.
What you can do with Assistant
- Run a local AI model in your browser
- Can my PC run a local LLM?
- A private, free ChatGPT alternative that runs on your computer
How Assistant compares
Assistant next to LM Studio, Ollama, GPT4All, Jan, WebLLM Chat: facts from each tool's own pages, checked 2026-10-24. We make Assistant.
| Tool | Price for local use | Runs on | Install | Models | Offline |
|---|---|---|---|---|---|
| Assistant ours | Free | A browser with WebGPU | None | 10 models, 0.5B to 7B (290 MB to 4.3 GB) | Yes, after the first visit and download |
| LM Studio | Free ($0 plan) | Apple Silicon Mac, Windows x64/ARM, Linux | Desktop app | GGUF (llama.cpp) and MLX, from Hugging Face | Yes, once models are downloaded |
| Ollama | Free ($0 plan) | macOS 14+, Windows 10 22H2+, Linux | App and command line | Its own library, incl. vision models | Not stated |
| GPT4All | Free, MIT licence | Windows, macOS 12.6+, Ubuntu | Desktop app | Thousands of open models | Not stated |
| Jan | Free, open source (Apache 2.0) | macOS 13.6+, Windows 10+, Linux | Desktop app | Hugging Face models (Llama, Gemma, Qwen…) | Yes, says it runs 100% offline |
| WebLLM Chat | Free, open source (Apache 2.0) | A browser with WebGPU | None | WebLLM built-in models, custom MLC models | Yes, after the first download |
| Feature | Assistant ours | LM Studio | Ollama | GPT4All | Jan | WebLLM Chat |
|---|---|---|---|---|---|---|
| Free for local models | Yes | Yes | Yes | Yes | Yes | Yes |
| No install | Yes | No | No | No | No | Yes |
| Chat window | Yes | Yes | Not stated | Yes | Yes | Yes |
| Works offline | Yes | Yes | Not stated | Not stated | Yes | Yes |
| Runs without a GPU | Partly | Not stated | Partly | Yes | Not stated | Not stated |
| Windows | Yes | Yes | Yes | Yes | Yes | Not stated |
| Mac | Yes | Apple Silicon | Yes | Yes | Yes | Not stated |
| Linux | Partly | Yes | Yes | x86-64 | Yes | Not stated |
| Large models (13B and up) | No | Not stated | Not stated | Not stated | Yes | Not stated |
| Your own model files | MLC format | Yes | Not stated | Not stated | Not stated | MLC format |
| Send images (vision) | No | Not stated | Yes | Not stated | Not stated | Yes |
| Chat with your documents | Partly | Yes | Not stated | Yes | Not stated | Not stated |
| Local API for other apps | No | Yes | Yes | Not stated | Yes | No |
| MCP tools | No | Yes | Not stated | Not stated | Yes | Not stated |
| Hardware check before download | Yes | Not stated | Not stated | Not stated | Not stated | Not stated |
The full comparison, with sources: The best free apps to run AI chat on your own computer
Feature matrix
| Feature | Status | File types |
|---|---|---|
| Local models via WebGPU, works offline | Beta | Text, Any image |
| System check: what can your PC run? | Beta | Text, Any image |
| Drives every PartPriced Tools app | Beta | Text, Any image |
| Builds mini-apps for you | Beta | Text, Any image |
File types
Assistant opens Text, Any image.
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