How to Create Branded Instagram Carousels With Claude and Nano Banana

Use Claude to structure the message, use Nano Banana to generate custom visuals, and combine both into a repeatable carousel workflow that looks more branded than standard template-based posts. This approach is built for creators, marketers, and personal brands that want faster content production without relying on generic Canva layouts.

Why This Workflow Works

Most social media carousels fail for the same reason: they look interchangeable. The design is familiar, the images are generic, and the message feels copied from the same playbook everyone else is using.

This workflow solves that by splitting the job into two parts:

• Claude handles the thinking, structure, and slide logic.
• Nano Banana handles the custom visuals that give the carousel its identity.

Instead of asking one tool to do everything, you use each one for what it does best. Claude turns long-form content into a strong carousel narrative, while Nano Banana gives you original visual assets that match the mood of the content.

The Core Idea: Claude Understands Purpose, Not Just Text

Claude is useful here because it does more than summarize text. It can read a full script, identify the strongest ideas, and rebuild them into a seven-slide carousel structure with a clear beginning, middle, and end.

That means it can:

• Create a stronger opening hook for slide one
• Build tension in the middle slides
• End with a clear CTA
• Keep the slides connected as one story instead of isolated text panels

This is the difference between dumping a script into a design tool and building a carousel that actually feels intentional.

Why Carousels Matter Right Now

Carousels are a strong format because they give one post multiple chances to earn engagement. They also give you more room to educate, persuade, and convert than a single-image post.

In this workflow, carousels are treated as a conversion format rather than just a design format. The goal is not only to make posts look good, but to make them carry a message clearly from hook to CTA.

The 3-Level Carousel Workflow

Level 1: Turn a Script Into a Basic Carousel

The first level is the simplest version of the process. You take an existing content source, such as a YouTube script, article, story, or post draft, and ask Claude to turn it into a seven-slide Instagram carousel.

A simple prompt structure is enough to start:

• Tell Claude to turn the content into a seven-slide Instagram carousel
• Paste the script or attach the source text
• Let Claude create the slide sequence

At this stage, the output will usually be usable but generic. It can still produce:

• A hook slide
• Supporting slides
• A final CTA slide

This level is useful for speed and idea extraction, but it will still look like AI-assisted content unless you add brand structure and visual identity.

Level 2: Add a Brand System

The second level is where the output starts to feel custom. Instead of generating slides from content alone, you give Claude a brand system document so it knows how your content should look and sound.

A simple brand system can include:

• Brand name
• One-sentence positioning
• Target audience
• Color palette and hex codes
• Typography direction
• Tone of voice
• Creative rules and visual preferences

Once Claude has access to that document, it can apply those rules when planning the carousel. That leads to more consistent styling, stronger messaging, and better alignment with your broader content identity.

At this level, the workflow becomes:

• Upload your brand system document into a Claude project
• Paste or attach the source script
• Ask Claude to create the slide plan first
• Review the plan before generating the final slides

This is an important step because it lets you approve the narrative before turning it into a finished visual asset.

Level 3: Add Custom Visual Assets From Nano Banana

The third level is what makes the carousel stand out. Instead of relying on plain backgrounds or stock visuals, you generate your own image library and let Claude match those images to each slide.

This adds:

• More narrative energy
• Better storytelling
• Stronger visual identity
• Less chance of blending into the feed

The process is simple:

• Create image prompts using Claude
• Generate images in Nano Banana
• Upload those images back into your Claude project
• Ask Claude to assign the best image to each slide based on mood, energy, and space for text overlay

At this point, Claude is no longer guessing. It is working through a system that includes your message, your brand, and your visual library.

How to Create Better Image Prompts With Claude

One of the smart parts of this workflow is using Claude as a prompt generator for Nano Banana.

The creator uses a structured JSON-style prompt format so Claude can analyze a reference image and produce a detailed image prompt without needing to reuse the original image directly.

This is especially useful when you want to:

• Match a visual style consistently
• Create assets for different topics
• Generate backgrounds that feel curated instead of random
• Build a reusable prompt system inside a Claude project or skill

A practical version of the workflow looks like this:

• Find inspiration from sources like Pinterest
• Upload the inspiration image into a Claude project built for prompt generation
• Let Claude analyze the image and write a detailed prompt
• Paste that prompt into Nano Banana
• Generate several image options
• Download the best ones and store them for future use

Nano Banana Pro vs. Nano Banana 2

Two versions are mentioned in the workflow:

• Nano Banana Pro for higher quality image generation
• Nano Banana 2 for faster and cheaper generation with similar results for many carousel assets

For many background visuals, the faster version is usually enough. The higher-end version makes more sense when the image quality matters more or when the asset needs a more polished finish.

How Claude Chooses the Right Image for Each Slide

This is where the workflow becomes more strategic than a normal design process.

After you upload multiple images into Claude, it can evaluate them by:

• Mood
• Visual energy
• Narrative fit
• Available negative space for text

That lets it make stronger decisions, such as:

• Choosing a high-energy image for the hook slide
• Using calmer visuals for explanation or reflection slides
• Selecting dramatic images for tension and payoff
• Keeping text away from the focal point of the image

This matters because a strong carousel is not just text on top of pictures. The image should support the meaning of the slide.

A Simple End-to-End Workflow

1. Start with a YouTube script, article, or content draft.
2. Ask Claude to turn it into a seven-slide Instagram carousel.
3. Add a brand system document so the output follows your style.
4. Create or reuse a Claude project for image prompt generation.
5. Use reference images to generate Nano Banana prompts.
6. Generate 20 to 30 visual assets in one batch.
7. Store those assets in a Google Drive folder.
8. Upload your best images into the carousel project in Claude.
9. Ask Claude to match each slide with the best image.
10. Generate the final carousel as an HTML file or export-ready PNG sequence.

Why Asset Batching Makes the System Better

One of the most practical tips in this workflow is to batch your image generation instead of creating visuals one post at a time.

If you create 20 to 30 images in a single session and repeat that weekly, you quickly build a reusable asset library. Over time, that gives you:

• More consistency
• Faster production
• Less creative friction
• More visual variety without starting from zero

Once you have a larger bank of assets, Claude can work with them more intelligently and match them to different narratives across future posts.

Best Practices for Better Carousel Results

• Save your brand system so it can be reused every time
• Use 1080 x 1350 dimensions for more screen space on Instagram
• Aim for 7 to 10 slides for a fuller narrative arc
• Add music when posting carousels to improve reach inside Instagram’s broader content distribution
• Review slide plans before final export instead of accepting the first draft automatically
• Use custom visuals to support the story, not just decorate the slide

What Makes This Better Than Generic AI Content

The real value is not in asking AI to make content instantly. It is in building a system that turns your ideas into higher-quality outputs faster.

That means:

• You still need a real framework
• You still need strong source material
• You still need a brand point of view
• You still need to guide the output intentionally

Used properly, AI does not replace creative direction. It makes consistent execution easier.

Final Takeaway

If you want better social media carousels, the key is not just better design. It is better system design.

Use Claude to structure the message. Use Nano Banana to build a distinctive image library. Then combine both inside a repeatable workflow that makes your content faster to produce and harder to ignore.

The more intentional your inputs are, the more original the final output becomes.

Source

This article is based on content from the original creator’s YouTube video, Claude + Nano Banana. Insane Social Media Content in Minutes.