#1717th of 18 in Chat UIs

chathub

Browser extension that chats with several AI chatbots side by side

Stars
10.7k
License
GPL-3.0
Last commit
Oct 2026
Language
TypeScript
Stars, last 29 weeks+202
31 Mar 2026: 10,452 stars7 Apr 2026: 10,459 stars14 Apr 2026: 10,470 stars21 Apr 2026: 10,478 stars28 Apr 2026: 10,491 stars5 May 2026: 10,496 stars12 May 2026: 10,509 stars19 May 2026: 10,515 stars26 May 2026: 10,524 stars2 Jun 2026: 10,529 stars9 Jun 2026: 10,532 stars16 Jun 2026: 10,537 stars23 Jun 2026: 10,542 stars30 Jun 2026: 10,548 stars7 Jul 2026: 10,550 stars14 Jul 2026: 10,554 stars21 Jul 2026: 10,563 stars28 Jul 2026: 10,580 stars4 Aug 2026: 10,592 stars11 Aug 2026: 10,597 stars18 Aug 2026: 10,602 stars25 Aug 2026: 10,608 stars1 Sept 2026: 10,613 stars8 Sept 2026: 10,620 stars15 Sept 2026: 10,626 stars22 Sept 2026: 10,632 stars29 Sept 2026: 10,637 stars6 Oct 2026: 10,643 stars13 Oct 2026: 10,651 stars20 Oct 2026: 10,654 stars

10,452 on 31 Mar 202610,654 on 20 Oct 2026

From GitHub's daily star counts.

Checked on GitHub.

Overview

ChatHub is a Chromium browser extension that puts multiple chatbots in one window so their answers to the same prompt can be compared. It supports ChatGPT and Claude via web app or API, plus Gemini, Grok, DeepSeek, Qianwen and Llama. Conversation history is stored locally, with a prompt library and data export and import.

Who it is for: Users who want to compare multiple chatbots from inside Chrome or Edge

Strengths

  • Sends one prompt to several chatbots at once for side-by-side comparison
  • Conversation history stored locally, with export and import of all data
  • Supports both web app and API access for ChatGPT and Claude
  • Includes a prompt library and a shortcut to open it from any page

Weaknesses

  • Chromium browsers only (Chrome, Edge); no other platforms listed
  • No self-hosted server, user accounts or Docker image
  • Bot list in the README is open-ended and partly unspecified
  • No tagged releases; install from the web store or build from source

What it needs

  • no GPU
  • Needs Chromium-based browser, Node.js with corepack and yarn (build only)
  • Models: ChatGPT, Gemini, Claude, Grok, DeepSeek

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