ChatGPT is OpenAI's hosted AI assistant, where prompts and files pass through a third party and heavy use is gated by subscription tiers. Self-hosted chat interfaces run open models locally or on your servers, keeping conversations private and costs predictable.
4 open-source alternatives to ChatGPT you can host yourself, ranked by GitHub stars and updated daily.
| # | App | Category | Stars | Language | Updated |
|---|---|---|---|---|---|
| 1 |
open-webui/open-webui
|
AI Chat & LLM Tools | 158,424 | Svelte | today |
| 2 |
janhq/jan
|
AI Chat & LLM Tools | 45,677 | Rust | today |
| 3 |
getumbrel/llama-gpt
|
AI Chat & LLM Tools | 10,925 | TypeScript | 2y |
| 4 |
Dhruvgera/LocalAI-frontend
|
AI Chat & LLM Tools | 69 | JavaScript | 2y |