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Manho/Panelize

A free Chrome and Edge extension that sends one prompt to multiple AI chatbots and shows their answers side by side, using your existing logins.

Open-source alternative to:ChatHub

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Last commit
15 days ago

What is it?

Panelize is a browser extension for comparing answers from several AI chatbots without copying prompts between tabs. You type a question once, choose a layout, and it is sent to providers such as ChatGPT, Claude, Gemini, Grok, DeepSeek, Kimi, Qwen and Doubao at the same time.

Each panel loads the provider's real website rather than calling an API, so it uses your existing logins and plan settings. No API keys or extra subscriptions are required. The project offers 22 layouts, from a simple two-way comparison to grids showing up to 12 models.

Panelize also includes a prompt library with variables such as {topic}, a one-click privacy mode across supported providers, and a settings page for enabling providers. The code is MIT licensed and written in JavaScript.

Key features

  • 01Sends one prompt to multiple AI chatbots at once
  • 02Loads each provider's real website using your existing login
  • 03Offers 22 panel layouts, from 1x2 to grids with up to 12 models
  • 04Includes a prompt library with reusable variables
  • 05Provides a one-click privacy mode across supported providers

Use cases

  • Comparing answers from ChatGPT, Claude and Gemini on the same question
  • Researching a topic across several models at once
  • Evaluating which chatbot handles a prompt best before choosing one
  • Reusing saved prompt templates across many AI services

Quick start

  1. 1

    Install Panelize from the Chrome Web Store

  2. 2

    Log into the AI chatbot websites you want to use

  3. 3

    Press Cmd/Ctrl + Shift + E to open Panelize, pick a layout, and send your prompt

Things to know

  • It runs only as a Chrome or Edge browser extension.
  • Each panel loads the provider's own website, so you must be logged in to each one and the results depend on those sites.

In collections

AI chatbots & chat clientsChrome & browser extensions

Topics

#ai-comparison#browser-extension#chrome-extension#llm#multi-llm#chatbot#prompt-engineering#ai#ai-tools#chatgpt

FAQ

What is Panelize?
A free Chrome and Edge extension that sends one prompt to multiple AI chatbots and shows their answers side by side, using your existing logins. Panelize is a browser extension for comparing answers from several AI chatbots without copying prompts between tabs. You type a question once, choose a layout, and it is sent to providers such as ChatGPT, Claude, Gemini, Grok, DeepSeek, Kimi, Qwen and Doubao at the same time.
Is Panelize free to use? What license does it have?
Panelize is open source under the MIT license. Check the license terms before using it in commercial products.
Is Panelize still maintained?
Actively maintained. The last commit to Panelize was on Oct 23, 2026.
What can I use Panelize for?
Comparing answers from ChatGPT, Claude and Gemini on the same question Researching a topic across several models at once Evaluating which chatbot handles a prompt best before choosing one Reusing saved prompt templates across many AI services
How do I install Panelize?
Install Panelize from the Chrome Web Store Log into the AI chatbot websites you want to use Press Cmd/Ctrl + Shift + E to open Panelize, pick a layout, and send your prompt
Where can I get Panelize?
The source code and installation instructions are on GitHub: https://github.com/Manho/Panelize

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