I was tired of switching tabs to compare ChatGPT, Gemini & Copilot. So I built a <1MB Chrome extension to run them all in parallel.

📰 Dev.to AI

Developer creates a Chrome extension to run ChatGPT, Gemini, and Copilot in parallel for comparison

intermediate Published 4 Apr 2026

Action Steps

Identify the need for comparing AI model responses
Develop a Chrome extension to run multiple AI models in parallel
Open-source the extension for community feedback and contributions
Test and refine the extension for improved performance

Who Needs to Know This

Developers and AI engineers can benefit from this tool to compare AI model responses and improve their workflows. The team can use this extension to streamline their testing and comparison processes

Key Insight

💡 Running multiple AI models in parallel can improve comparison and testing workflows