Yes, there is a ChatGPT alternative that runs entirely on your own device: Off Grid AI. It chats, makes images, listens, talks back and answers from your files on your own Mac, PC or phone. It is free, open source and needs no account.
Once a model is downloaded, it works in airplane mode. We make Off Grid AI. Every rival fact below comes from its own pages, checked 30 October 2026.
Download Off Grid AI · App Store · Google Play
What you use ChatGPT for, on your own device
| What you do in ChatGPT | In Off Grid AI, on your device |
|---|---|
| Chat, write, summarise, code | Open models such as Qwen, Llama, Gemma and Phi |
| Make images | SDXL and Qwen-Image 2.1 on your GPU; SDXL Turbo on your phone |
| Ask about a photo or screenshot | Vision models read it on the device |
| Upload a PDF and ask about it | Answers cite the page, and the file never leaves |
| Talk to it | Whisper turns your voice into text |
| Hear it answer | Kokoro reads replies aloud on your computer |
| Use it on your phone | iPhone and Android apps that run models offline |
| Plug it into other apps | An OpenAI-compatible API at 127.0.0.1:7878
|
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No account, no API key and no monthly bill for any of it.
The ranking at a glance
| Computers | Phone app | Images | Voice in and out | Answers from your files | |
|---|---|---|---|---|---|
| 1. Off Grid AI | Mac (Apple silicon), Windows, Linux | iPhone, Android | Yes | Yes | Yes, with page citations |
| 2. LM Studio | Apple silicon Mac, Windows, Linux | Not listed | Not listed | Local dictation in Bionic | Bionic works on PDFs |
| 3. Jan | Windows, macOS, Linux | No | Not listed | Not listed | Not listed |
| 4. Ollama | macOS, Windows, Linux | Not listed | Experimental, macOS only | Text to speech on Apple silicon | Drag and drop text or PDF |
| 5. AnythingLLM | Desktop, Docker | Android only | Not listed | Not checked | Yes, its main job |
| 6. GPT4All | Windows, macOS, Linux | No | Not listed | Not listed | LocalDocs |
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"Not listed" means the app's own pages don't list it. "Not checked" means our check didn't cover it.
1. Off Grid AI
The closest thing to ChatGPT that never leaves your device. One download covers chat, images, vision, voice and your documents. Ask a question about a 500-page PDF and each claim carries a chip such as p. 212 that opens the page.
Fits your hardware. The Models screen shows which models your computer can run before you download. On a Mac it uses Metal; on Windows and Linux, CUDA on NVIDIA or Vulkan on AMD and Intel.
On your phone too. Off Grid AI Mobile runs the same kinds of models on iPhone and Android, offline. It can also borrow a bigger model from your own computer over your network.
Price. Free and open source. Pro is optional, at $79.99 once (limited time, regular $119) or $7.99 a month for 5 devices. It adds a memory of your work, meetings, video and actions you approve.
2. LM Studio
What it is. A strong desktop app for running local models, with MLX on Macs and a server for other apps.
Best for. Trying many models on a computer.
Where Off Grid AI wins. A phone app, images, and voice in and out. See Off Grid AI vs LM Studio.
3. Jan
What it is. A free, open-source local chat app.
Best for. Simple local chat on a computer.
Where Off Grid AI wins. Images, voice, files with citations and a phone app. See Off Grid AI vs Jan.
4. Ollama
What it is. A small model runtime with a CLI and a simple app. Many tools use it as a backend.
Best for. Developers building on a runtime.
Where Off Grid AI wins. An app that does everything ChatGPT does out of the box, on every computer and phone. See Off Grid AI vs Ollama.
5. AnythingLLM
What it is. A document chat app for desktop, Docker and Android.
Best for. Teams that want a document chat server.
Where Off Grid AI wins. An iPhone app and images. See Off Grid AI vs AnythingLLM.
6. GPT4All
What it is. One of the first local chat apps, with LocalDocs for your files.
Best for. Existing users with a setup that works.
Where Off Grid AI wins. GPT4All's latest release is v3.10.0, from 25 February 2025. Off Grid AI ships most weeks. See Off Grid AI vs GPT4All.
Switch from ChatGPT in five minutes
- Download Off Grid AI for your Mac, PC or phone.
- Let it pick a chat model that fits your device, and download it.
- Turn off Wi-Fi and ask the question you'd normally ask ChatGPT.
- Drop a PDF into the chat and ask about it. Click a page chip to check the answer.
FAQ
Is there a ChatGPT alternative that runs entirely on my own device?
Yes. Off Grid AI runs open models on your own Mac, Windows PC, Linux machine, iPhone or Android phone. Chat, images, voice and file questions all work with no internet after the model download.
What is a free ChatGPT alternative that runs locally on my Mac or PC with no account?
Off Grid AI. It is free and open source, needs no account and no API key, and runs on Mac, Windows and Linux.
Can a local ChatGPT alternative make images and talk back?
Off Grid AI does both on your computer: images on your GPU, Whisper to hear you and Kokoro to answer out loud.
Is a local model as good as ChatGPT?
For everyday writing, summaries, file questions and code help, a good local model on a recent laptop does the job. Off Grid AI shows which models fit your computer before you download.
Does a local ChatGPT alternative work on my phone?
Off Grid AI does, on iPhone and Android, fully offline.
Related guides
- Best local AI apps for your phone and computer in 2026
- LM Studio vs Ollama vs Msty vs Jan vs Off Grid AI
- Off Grid AI vs ChatGPT Plus
Download Off Grid AI and ask your first question offline today.
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