8 Best ChatHub Alternatives in 2026 (Open Source)
ChatHub. The only browser extension offering real-time side-by-side comparison of 10+ major AI chatbots in a unified interface — no other tool provides this level of instant model comparison without switching tabs or apps
These 8 open-source tools do the same job. They are ordered by how closely they match ChatHub, with live GitHub data so you can see which projects are actively maintained.
| Tool | GitHub stars | Stars / 30d | Last commit |
|---|---|---|---|
| ChatHub(original) | 10.7k | +13 | 2026-02-27 |
| ChatGPT for Google | 13.0k | +-14 | 2023-10-25 |
| LLM Comparator | 526 | +1 | 2024-10-18 |
| Chatbox | 41.9k | +442 | 2026-09-24 |
| LibreChat | 45.2k | +1,629 | 2026-09-30 |
| Chatbot UI | 33.4k | +34 | 2024-06-22 |
| Elia | 2.5k | +7 | 2024-10-10 |
| GPT Mobile | 1.2k | +32 | 2026-09-28 |
| Dialoqbase | 1.8k | +1 | 2026-06-29 |
1. ChatGPT for Google
This project is deprecated. Check my new project ChatHub:
What sets it apart: vs ChatGPT sidebar extensions: one of the original ChatGPT-in-search-engine extensions supporting 10+ search engines — historically significant but now unmaintained after acquisition
Best for: Historical reference for browser extension AI integration patterns; Understanding early ChatGPT browser extension architecture
2. LLM Comparator
LLM Comparator is an interactive data visualization tool for evaluating and analyzing LLM responses side-by-side, developed by the PAIR team.
What sets it apart: vs generic eval dashboards: combines visual analytics with rationale clustering and custom field analysis to identify specific behavioral differences between models — from Google PAIR team
Best for: Comparing two LLM outputs with numerical evaluation scores; Discovering when and why one model outperforms another; Analyzing response patterns across prompt categories
3. Chatbox
Powerful AI Client
What sets it apart: vs ChatGPT web app: supports multiple LLM providers with local data storage; vs Open WebUI: lighter desktop-native app with mobile support rather than self-hosted web UI
Best for: Desktop users wanting unified LLM chat interface; Privacy-conscious users preferring local data storage; Teams sharing API resources
4. LibreChat
Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message se
What sets it apart: Most feature-complete self-hosted ChatGPT alternative — uniquely combines agents, MCP, code interpreter, image gen, and multi-user auth in one package, unlike single-provider UIs
Best for: Organizations wanting a private, self-hosted ChatGPT replacement; Teams needing multi-user AI platform with access control and audit
5. Chatbot UI
AI chat for any model.
What sets it apart: vs ChatGPT web app: open-source, self-hosted with Supabase backend for full data ownership — the most popular open-source ChatGPT UI clone with 28k+ stars
Best for: Developers wanting a self-hosted ChatGPT-like UI with data persistence; Teams needing an open-source chat interface they can customize; Organizations wanting full control over their AI chat data
6. Elia
A snappy, keyboard-centric terminal user interface for interacting with large language models. Chat with ChatGPT, Claude, Llama 3, Phi 3, Mistral, Gemma and more.
What sets it apart: vs web-based chat UIs: keyboard-centric terminal interface with multi-provider support and local SQLite persistence — designed for developer efficiency without leaving the terminal
Best for: Terminal-native LLM conversations with keyboard efficiency; Managing conversations across multiple providers in one interface; Local model experimentation via Ollama integration
7. GPT Mobile
Chat app for Android that supports answers from multiple LLMs at once. Bring your own API key AI client. Supports OpenAI, Anthropic, Google, and Ollama. Designed with Material3 & Compose.
What sets it apart: vs ChatGPT/Claude apps: Open-source Android-native app that lets you chat with multiple LLMs simultaneously in one conversation, with Material You design and fully local chat storage
Best for: Android users wanting to compare multiple LLM responses side-by-side; Privacy-conscious users who want local-only chat history
8. Dialoqbase
Create chatbots with ease
What sets it apart: vs Botpress/Rasa: open-source no-code chatbot builder with multi-LLM provider flexibility + multi-platform deployment (web, Telegram, Discord, WhatsApp) + PostgreSQL vector search — all self-hosted
Best for: Quickly building custom chatbots from proprietary knowledge bases; Teams wanting multi-platform chatbot deployment (Telegram, Discord, web); Experimenting with different LLM providers for chatbot use cases