PromptCast

Send prompts to multiple AI platforms simultaneously and compare responses

As of June 2026, PromptCast has 1 users in the Productivity category.

Usersno change0%
1
1
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.1.0
Manifest V3

History

1 snapshots

Tracking since May 16, 2026.

Not enough history yet for this metric — the chart fills in as we collect more snapshots.
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DateUsersRatingReviewsVersion
May 16, 20261.1.0
Now11.1.0

Permissions & access

Permissions
activeTabtabsstoragenotifications
Host access
https://chat.openai.com/*, https://chatgpt.com/*, https://claude.ai/*, https://gemini.google.com/*, https://www.perplexity.ai/*

Screenshots

PromptCast screenshot 1PromptCast screenshot 2PromptCast screenshot 3

About

PromptCast - Broadcast Your Prompts to Multiple AI Platforms

  Stop switching between AI tabs. Send your prompt once and get responses from ChatGPT, Claude, Gemini, and Perplexity all at the same time.

  HOW IT WORKS
  1. Type your prompt in PromptCast
  2. Select which AI platforms to use
  3. Click "Send to All" (or press Ctrl+Enter)
  4. Compare responses side-by-side

  KEY FEATURES

  • Multi-Platform Broadcasting
  Send prompts to ChatGPT, Claude, Gemini, and Perplexity with a single click. Toggle platforms on or off based on your needs.

  • Response Comparison
  View all AI responses in a unified comparison view. Switch between Grid, Tabs, or Stack layouts to find what works best for you.

  • Export Options
  Save your comparisons as JSON, CSV, or PDF for documentation, research, or sharing.

  • Prompt History
  Access your previous prompts and their responses. Never lose a great prompt again.

  • Smart Retry
  Failed to inject a prompt? PromptCast automatically retries to ensure your prompt gets through.

  • Desktop Notifications
  Get notified when all AI responses are complete so you can multitask while waiting.

  PERFECT FOR
  - Researchers comparing AI model outputs
  - Writers seeking diverse creative suggestions
  - Developers testing prompts across platforms
  - Anyone curious about how different AIs respond

  REQUIREMENTS
  - Must be logged into the AI platforms you want to use
  - Works with: chat.openai.com, claude.ai, gemini.google.com, perplexity.ai

  PRIVACY
  PromptCast runs entirely in your browser. Your prompts are sent directly to the AI platforms you select—we never collect or store your data on external servers.

  ---
  Built with care. No tracking. No ads. Just productivity.

Technical

Version
1.1.0
Manifest
V3
Size
111KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
ehhojghpjmcgojhefbdjjihoachncklc
Developer ID
u8b9f6829f98d99fc16ddd70051a29970
Developer Email
[email protected]
Created
Dec 31, 2025
Last Updated (Store)
Dec 31, 2025
Last Scraped
Jun 4, 2026
Website
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified Jun 4, 2026.