AI Chat Multicaster

Tracking since Apr 16, 2026.

Changelog

• Apr 16, 2026
  description

  Tired of juggling dozens of browser tabs just to chat with different AI assistants? 
  
  Chat Multicaster brings ChatGPT, Gemini, Claude, DeepSeek, and Perplexity together in a single, unified interface.
  
  Switch freely between broadcasting to everyone, focusing on one, or working separately with each AI -- whatever fits your task.
  
  This extension aims for being minimalistic yet cusomizable. Lighting effects and font options are at your hand.
  
  ** No API keys. No accounts. Just need your existing browser sessions. **
  
  
  -----------------------------------------
  Version Notes
  1.2.7
  - Add shortcut
  1.2.6
  - Improve visual and UX logic in pop up windows.
  1.2.5
  - UX improvements; Add extension pop up window to manage sessions.
  1.2.0
  - Support save sessions.
  1.1.0
  - Support file upload.
  - Support Perplexity via split/new tab. No embedded iframe due to site restriction.
  - Perf/UX improvements.

  Tired of juggling dozens of browser tabs just to chat with different AI assistants? 
  
  Chat Multicaster brings ChatGPT, Gemini, Claude, DeepSeek, and Perplexity together in a single, unified interface.
  
  Switch freely between broadcasting to everyone, focusing on one, or working separately with each AI -- whatever fits your task.
  
  This extension aims for being minimalistic yet cusomizable. Lighting effects and font options are at your hand.
  
  ** No API keys. No accounts. Just need your existing browser sessions. **
  
  
  -----------------------------------------
  Version Notes
  1.2.9
  - Add support to Meta AI (Muse Spark)
  1.2.7
  - Add shortcut
  1.2.6
  - Improve visual and UX logic in pop up windows.
  1.2.5
  - UX improvements; Add extension pop up window to manage sessions.
  1.2.0
  - Support save sessions.
  1.1.0
  - Support file upload.
  - Support Perplexity via split/new tab. No embedded iframe due to site restriction.
  - Perf/UX improvements.

• Apr 16, 2026
  host_permissions

  https://chatgpt.com/*, https://gemini.google.com/*, https://www.perplexity.ai/*, https://perplexity.ai/*, https://chat.deepseek.com/*, https://claude.ai/*

  https://chatgpt.com/*, https://gemini.google.com/*, https://meta.ai/*, https://www.meta.ai/*, https://www.perplexity.ai/*, https://perplexity.ai/*, https://chat.deepseek.com/*, https://claude.ai/*

Permissions & access

Permissions

tabsscriptingstoragedeclarativeNetRequestwebNavigationclipboardReadclipboardWrite

Host access

https://chatgpt.com/*, https://gemini.google.com/*, https://meta.ai/*, https://www.meta.ai/*, https://www.perplexity.ai/*, https://perplexity.ai/*, https://chat.deepseek.com/*, https://claude.ai/*

Screenshots

Similar extensions

Alternatives to AI Chat Multicaster, ranked by description similarity.

Polylog

Multi-Chat AI Extension

2

★ 5.0

AI2GO.chat - AI Chat New Tab

The Best AI chat platforms all in one place: GPT, Claude, Gemini, Grok, Copilot and more!

57

★ 3.0

AskAllAI.net

Chat with ChatGPT, Gemini, Claude, and 6 more leading AI platforms simultaneously with a single click —100% locally and securely.

8

10xWise Multi-AI Chat

10xWise Multi-AI Chat allows you to chat with multiple AI models on web instantly with one extension.

304

★ 5.0

OmniChat - Multi-AI Interface

Chat with ChatGPT, Gemini, Grok, Perplexity & AI Studio simultaneously. Compare AI responses side-by-side in one unified interface.

24

Select to AI

Send selected text to ChatGPT, Gemini, or Perplexity via New Tab, Popup Window, or Side Panel.

905

★ 3.7

AI Website Splitter

Split screen your favorite AI assistants for easy comparison. Supports ChatGPT, Grok, and more.

13

GemGPT Controller – Control ChatGPT & Gemini Together

Control ChatGPT and Google Gemini from one floating window. Type once, send to both.

18

★ 5.0