AI · alternatives · 2026
24 alternatives to Open-Source ChatGPT
Build a chatbot for your own data with open source LLM
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Open-Source ChatGPT launched in 2023; newer entries below may have overtaken it.
- 1

- 2
ChatGPT▲1,643A long, meandering, playful conversation with ChatGPT, where I take it through a whirlwind of associative tangents (in order to relax its constraints), then put it into a hypnotic trance and take it into a past-lives regression where it re-lives its own training data. Then I switch it back and forth between "4o" and "o1-preview", engage in some self-reflective philosophizing and ask it to write an essay summarizing our interaction. Some of this is just goofy fun. Some of it is me exploring the tradeoffs between policy alignment, imagination, chain-of-thought reasoning, memory, agreeableness,…
2022 · chatgpt.com · its alternatives →
- 3

Hey everyone, We have been building SecureAI Tools -- an open-source application layer for ChatGPT and ChatPDF-like AI tools. It works with locally running LLMs as well as with OpenAI-compatible APIs. For local LLMs, it supports Ollama which supports all the gguf/ggml models. Currently, it has two features: Chat-with-LLM, and Chat-with-PDFs. It is optimized for self-hosting use cases and comes with basic user management features. Here are some quick demos: * Chat with documents using OpenAI's GPT3.5 model: https://www.youtube.com/watch?v=Br2D3G9O47s * Chat with documents…
2023 · github.com · its alternatives →
- 4

- 5

- 6
Hugging Chat▲374The first open source alternative to ChatGPT
2023 · huggingface.co · its alternatives →
- 7
ChatGPT Plugins▲355Open AI announced ChatGPT Plugins to access real-world data
2023 · openai.com · its alternatives →
- 8

I spent the last few days building out a nicer ChatGPT-like interface to use Mistral 7B and Llama 3 fully within a browser (no deps and installs). I’ve used the WebLLM project by MLC AI for a while to interact with LLMs in the browser when handling sensitive data but I found their UI quite lacking for serious use so I built a much better interface around WebLLM. I’ve been using it as a therapist and coach. And it’s wonderful knowing that my personal information never leaves my local computer. Should work on Desktop with Chrome or Edge. Other browsers are adding WebGPU support as well - see…
2024 · github.com · its alternatives →
- 9
CodebaseChat▲207Create a GPT chatbot for any GitHub repo in just 30 seconds
2023 · codebasechat.com · its alternatives →
- 10

Custom ChatGPT for your website - using your own API Key
2023 · its alternatives →
- 11

ChatGPT-like customer interactions in a website widget
2024 · openwidget.com · its alternatives →
- 12

A self-hosted, offline, ChatGPT-like chatbot. Powered by Llama 2. 100% private, with no data leaving your device. New: Code Llama support! - getumbrel/llama-gpt
2023 · github.com · its alternatives →
- 13

- 14

An open-source ChatGPT app with a voice. Contribute to cogentapps/chat-with-gpt development by creating an account on GitHub.
2023 · github.com · its alternatives →
- 15

- 16

- 17

- 18
AnswerFlow AI▲155Build unlimited custom ChatGPT bots, with a lifetime license
2023 · answerflowai.com · its alternatives →
- 19

- 20

Custom ChatGPT with your data on your website
2023 · retrobezel.com · its alternatives →
- 21

- 22

- 23
Chat Thing▲115ChatGPT chatbots with your own data (Notion, Web & Files)
2023 · chatthing.ai · its alternatives →
- 24

Build ChatGPT plugin w/ your own websites and docs—in mins
2023 · customgpt.ai · its alternatives →
Also compare
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →