The Best Way to Create AI Consistent Characters with JSON Prompts (Nano Banana Pro)

???? Nano Banana Pro: The Best Way to Create AI Consistent Characters with JSON Prompts - In this AI tutorial, I'll show you how to write a clean and structured JSON prompt for AI image generation using Google Gemini and Nano Banana Pro. If you want consistent AI characters, better image prompts, and a simple JSON prompting workflow, this tutorial is for you.
You'll learn how to create a custom Gemini Gem to automatically convert a plain text description into a production‑ready JSON prompt, without guessing or manual formatting. This method is perfect for creators working with AI image generators like Google nano banana pro who want full control over character identity, scene setup, and visual consistency.

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✨ I walk you through my exact workflow: building a Gem in Google Gemini, defining strict rules for JSON prompt generation, and combining the output with a reference image to lock key attributes like face, hair color, hairstyle, and eye color. Then, I send the JSON prompt and reference image to Nano Banana Pro inside Higgsfield AI to generate consistent results across different scenes and outfits.
Whether you're creating AI influencers, cinematic thumbnails, or consistent characters for social media, you can use my JSON file as‑is or easily edit it to fit your own needs.

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Json Prompt Maker Structure File:
https://docs.google.com/document/d/1NZ7MxPKTA6hqqUgapC3XE8KA9bFqcxFq_R_YMlM6tcQ/edit?usp=sharing

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⚙️ Tools Mentioned:

???????? Higgsfield AI: ???? https://higgsfield.ai/
???????? Google Gemini: ???? https://gemini.google.com/
???????? Google Flow: ???? https://labs.google/fx/tools/flow/

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⏱️Timestamps:

0:00 Intro
0:23 What is JSON prompting and when should you use it?
1:12 How to write JSON Prompt?

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???????????????????????? Watch Other AI Tutorials in My Channel:

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???? This video includes AI-generated voice for narration. All scripts, editing, visuals, and overall production was done by a human.

???? Write your experiences with Nano Banana Pro Json Prompting in the Comment section. ????

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