Top Tips for Creating AI Posters
The Best AI Tools for Creating Poster Designs (2025 Guide)
AI tools have completely changed the way poster designers work. Whether you’re creating wall art for Etsy, your own online store, or for print-on-demand through PrintShrimp, the right AI tool can help you generate stunning artwork in minutes — instead of spending hours in Photoshop.
But with so many options available, which AI tools are actually good for poster design? Which produce the highest-quality prints? And which ones should you avoid?
In this guide, we break down the best AI tools for creating posters, their strengths, their drawbacks, and which one you should be using depending on your goals.
Let’s get into it 👇
🎨 What Makes an AI Tool Good for Posters?
Before ranking the tools, it’s important to understand what actually matters when creating artwork for print-on-demand. Your AI tool should ideally offer:
- High image resolution — Posters need to print cleanly at A1 or A0. Many AI tools output at low resolutions unless upscaled.
- Consistent artistic style — Good posters rely on a strong visual identity — not random, unpredictable results.
- Control over composition — Tools that give you flexibility with framing, style consistency, and cropping are far more useful.
- Clean, non-glitchy output — Some fast web tools still produce warped hands, strange details, or messy backgrounds.
🥇 1. Midjourney — The Best Overall AI Tool for Posters
If you want the cleanest, most artistic, consistently high-quality posters, Midjourney is still the king.
Why Midjourney is the best for posters:
- Beautiful, artistic output — almost always visually stunning.
- Perfect for stylised prints like travel posters, abstract art, minimalist designs, vintage styles, and patterns.
- Better composition and fewer distortions than most tools.
- Built-in upscaling ideal for large-format printing.
Downsides: Not great for ultra-realistic human faces.
But overall — for wall art? Midjourney remains undefeated.
🥈 2. Stable Diffusion — Best for People Who Want Full Control
Stable Diffusion is ideal if you're tech-savvy and want complete control. It offers:
- Custom models
- Adjustable prompts
- Local generation
- Ability to fine-tune your own style
- Unlimited experimentation
Amazing for poster creators who want truly unique artwork — especially with custom-trained models.
Downsides:
- Higher learning curve
- Requires more hardware or cloud credits
- Raw output is less polished unless tweaked
- More setup and configuration
🥉 3. DALL·E (ChatGPT) — Best for Quick Ideas, Not Final Posters
DALL·E inside ChatGPT is fantastic for:
- Visual brainstorming
- Quick sketches
- Trying out early concepts
But for final, print-ready poster art? It falls short.
Why DALL·E isn’t ideal for poster sellers:
- Output can feel flat
- Less detailed
- Less consistent
- Poor handling of complex scenes
It’s fun — but not strong enough for serious poster shops compared to Midjourney or Stable Diffusion.
🎥 4. Sora — Best for Animated Posters & Video
Sora is amazing for video generation, but not targeted at still-image posters yet.
Useful for:
- Animated poster concepts
- Social media marketing
- Short promo visuals
But don’t rely on it as your primary poster design tool.
🏅 Best Overall AI Tool for Posters in 2025
If your goal is to create high-quality, sellable wall art, the clear winner is:
👉 Midjourney
It offers the strongest mix of:
- Beauty
- Consistency
- Print quality
- Style range
- Ease of use
Stable Diffusion takes second place for those who want total control and custom models.
For most PrintShrimp sellers, Midjourney is the perfect balance of power and speed.
⭐ Bonus Tip: Always Upscale Your AI Artwork Before Printing
Even if an AI tool produces gorgeous artwork, always check and upscale your files before printing.
Upscaling ensures:
- Sharper prints
- Cleaner details
- Better large-format quality
- Fewer customer issues
We manually check files at PrintShrimp — but upscaling first gives you the best possible result.
🚀 Want to Learn More About Selling Posters?
PrintShrimp offers fast, reliable domestic poster printing for Etsy sellers — with:
- UK, US, EU, AUS & CA fulfilment
- Fast dispatch
- Great pricing
- Perfect quality for AI-generated art
And if you want help starting or scaling your poster business, join our free Skool community with tutorials, training, and resources for sellers.