In the fast-paced world of digital advertising, efficiency and brand consistency are crucial. Google Copycat, a Python package developed by Google, utilizes Google Gemini models to generate high-quality ad copy for Google Search Ads. By learning from your best-performing ads, Copycat ensures that new ads match your brand’s tone and messaging, making it a powerful tool for AI-driven ad targeting and marketing automation.

How Google Copycat Works
Copycat follows a structured process to generate search ads:
- Analyze Existing Ads – Copycat examines your top-performing Responsive Search Ads (RSAs) and text ads to understand your brand’s voice.
- Generate a Style Guide – Using Google Gemini, Copycat creates a style guide based on exemplar ads and any brand guidelines you provide.
- Produce New Ads – With new keywords, Copycat generates fresh headlines and descriptions that align with your brand’s style.
- Evaluate Ad Quality – Metrics such as memorization check, style similarity, and keyword similarity ensure the generated ads meet high standards.

Benefits of Google Copycat
- Efficiency – Automate ad creation and save time.
- Consistency – Maintain a uniform brand voice across campaigns.
- Scalability – Expand ad reach without sacrificing quality.
Getting Started with Google Copycat
There are three primary ways to use Copycat:
- Copycat UI Demo – A user-friendly interface ideal for beginners.
- Python Quick Start – A more flexible approach for developers.
- Copycat on Sheets – Deploy Copycat via Google Cloud Run and use it directly from Google Sheets.
Prerequisites
To use Copycat, you need:
- A Google Cloud Project with Vertex AI API enabled.
- A valid Google Ads account for ad integration.
- Compliance with Google Ads policies.
Key Features of Google Copycat
1. Data-Driven Ad Creation
Copycat analyzes training ads from your Google Ads campaigns to generate new ads based on your best-performing content.
2. Intelligent Style Guide Generation
Copycat’s AI creates a customized style guide using Google Gemini and exemplar ads.
3. Ad Evaluation & Optimization
Each ad is evaluated for style similarity, keyword relevance, and brand alignment, ensuring high-quality outputs.
4. Seamless Integration with Google Ads
Copycat enables direct Google Ads uploads and campaign management.
Example Use Cases of Google Copycat
- Generating ads for new keywords – Quickly create ads for trending search terms.
- Expanding existing ads – Fill in missing elements in RSAs.
- Rewriting old ads – Update outdated copy to reflect new brand messaging.
FAQ
How many training ads do I need?
Copycat works best with 100+ high-quality ads but can function with fewer.
Can Google Copycat generate ads in different languages?
Yes! Just include language-specific instructions in the style guide.
Does Google Copycat comply with Google Ads policies?
Yes, but it’s essential to review and edit generated ads before publishing.
Final Thoughts
Google Copycat is a game-changer for digital marketers looking to streamline ad creation while maintaining brand consistency. With its AI-driven approach and seamless integration with Google Ads, it provides a powerful solution for MarTech professionals aiming for efficiency and scale.
For more details, explore Copycat on GitHub and start transforming your Google Ads strategy today!