Create a "brand twin" that speaks for you

Published on February 7, 2026
Create a "brand twin" that speaks for you
By building a "Brand Twin" with a personalized GPT that composes LinkedIn posts, Instagram captions, and other content in your preferred voice and style, you can combat ChatGPT slop.

Step-by-step:

Give ChatGPT "system instructions for a 'Brand Twin' GPT that avoids AI writing clichés" once you've uploaded PDFs of your best writing and brand rules.

Create a new GPT by going to chatgpt.com/gpts and pasting the system instructions. Next, select Share > GPT Store, and then select GPTs > Explore GPTs to add it.

Send the same prompt, such as "Write an Instagram caption for our [product] product announcement," to compare the GPT with a standard ChatGPT thread.

Distribute your personalized GPT to all team members to standardize brand voice.

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