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BrainBuddy AI Assistant - Chrome Extension

Prompts both ChatGPT and Bard at once from a browser sidebar so you can compare their answers.

Checked 3 Oct 2026 Reviewed by Alex Listed since October 2024

Screenshot of BrainBuddy AI Assistant - Chrome Extension

At a glance

Starts at Free No paid plan found on the Chrome Web Store, September 2026.
Free tier Yes
Platforms Chrome
Best for Researchers wanting to compare ChatGPT and Bard answers
Not for Anyone who only uses one AI chatbot already

3.9 out of 5

Scored by Alex after real use

Our verdict

BrainBuddy sends a single prompt to both ChatGPT and Bard at the same time, showing both answers side by side in a sidebar you open with a shortcut or floating button. Pre-defined actions and one-click prompts cut down on retyping the same requests. Its whole value rests on wanting two AI opinions at once, so anyone happy with a single chatbot gains little from the comparison.

✓What it does well

Dual-model promptingSends one prompt to both ChatGPT and Bard together.
Side-by-side comparisonShows both AI answers next to each other for comparison.
Quick sidebar accessOpens instantly with a shortcut key or floating button.

✕Where it falls short

Two-model overlapAdds little for users who only need a single AI model.
Requires two accountsRequires access to both ChatGPT and Bard to work as intended.
Comparison, not depthCompares surface-level answers, not deep single-model tuning.

Key features

Simultaneous promptingPrompts ChatGPT and Bard with a single input.
One-click actionsRuns pre-defined actions with a single click.
Keyboard shortcutsOpens the AI sidebar instantly via keyboard shortcut.
Side panel comparisonDisplays both AI outputs in a side panel for comparison.

Questions about BrainBuddy AI Assistant - Chrome Extension

What does BrainBuddy AI Assistant - Chrome Extension do?

BrainBuddy sends a single prompt to both ChatGPT and Bard at the same time and shows the two answers side by side in a browser sidebar. Pre-defined actions and one-click prompts cut down on retyping the same requests.

Is BrainBuddy AI Assistant - Chrome Extension free?

BrainBuddy AI Assistant is free, and no paid plan was found on the Chrome Web Store in September 2026. To work as intended, though, it requires access to both ChatGPT and Bard. It runs in Chrome.

How do you open BrainBuddy AI Assistant - Chrome Extension?

The BrainBuddy sidebar opens instantly with a keyboard shortcut or a floating button. Once open, the side panel displays the ChatGPT and Bard outputs next to each other so the answers can be compared.

Who should skip BrainBuddy AI Assistant - Chrome Extension?

BrainBuddy's whole value rests on wanting two AI opinions at once, so anyone happy with a single chatbot gains little from it. The reviewer also notes it compares surface-level answers rather than offering deep tuning of a single model. It suits researchers who want to compare ChatGPT and Bard answers.

What are some alternatives to BrainBuddy AI Assistant - Chrome Extension?

Toolio lists AI Caption Writer as an alternative, described as generating captions quickly but feeling limited. BrainBuddy itself holds a Toolio score of 3.9 out of 5, given by Alex on 3 Oct 2026 after real use.

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