AI Image Generators Compared: Midjourney vs DALL-E vs Stable Diffusion vs Leonardo
We tested 4 leading AI image generators with identical prompts. See real results, pricing, features, and which one is best for different creative needs.
Best AI Tools 2026
January 18, 2026
We tested the four most popular AI image generators with identical prompts across multiple categories to give you a definitive comparison for 2026.
The Contenders
- Midjourney V6 — The artistic powerhouse ($10-60/month)
- DALL-E 3 — OpenAI's generator, built into ChatGPT ($20/month via ChatGPT Plus)
- Stable Diffusion XL — Open-source champion (Free)
- Leonardo.ai — Rising star with great free tier (Free-$24/month)
Test Results by Category
Photorealistic Portraits
Winner: Midjourney
Midjourney produces the most convincing photorealistic portraits with natural skin textures, accurate lighting, and lifelike expressions. DALL-E is close behind, while Stable Diffusion requires more prompt engineering to achieve similar results.
Fantasy & Concept Art
Winner: Midjourney
Midjourney's artistic DNA shines here with rich, painterly quality. Leonardo.ai is surprisingly competitive in this category, especially with its DreamShaper model.
Following Precise Instructions
Winner: DALL-E 3
When you need the AI to follow exact descriptions (specific objects in specific positions), DALL-E 3 is the most obedient. Its tight integration with ChatGPT means you can refine instructions conversationally.
Text in Images
Winner: DALL-E 3
DALL-E 3 is the only generator that reliably renders text correctly in images. Others often produce garbled or misspelled text.
Consistency & Brand Assets
Winner: Leonardo.ai
Leonardo's model training feature lets you create consistent characters and styles. Great for brands that need a cohesive visual identity across multiple images.
Speed
Winner: Stable Diffusion (local)
Running Stable Diffusion on a local GPU produces images in seconds. Among cloud services, Leonardo.ai is typically fastest.
Customization & Control
Winner: Stable Diffusion
As an open-source tool, Stable Diffusion offers unlimited customization: ControlNet for pose matching, LoRA models for specific styles, inpainting, outpainting, and more. No other tool comes close in terms of control.
Pricing Comparison
| Tool | Free Tier | Starter | Pro |
|------|----------|---------|-----|
| Midjourney | None | $10/mo | $30/mo |
| DALL-E 3 | Limited via Bing | $20/mo (ChatGPT Plus) | $20/mo |
| Stable Diffusion | Unlimited (local) | Free | Free |
| Leonardo.ai | 150 tokens/day | $12/mo | $24/mo |
Best For Each Use Case
- Marketing materials: DALL-E 3 (precise, text-capable)
- Art and wallpapers: Midjourney (highest aesthetic quality)
- High volume generation: Stable Diffusion (no limits, free)
- Consistent brand imagery: Leonardo.ai (model training)
- Product mockups: DALL-E 3 or Midjourney
- Social media content: Leonardo.ai (fast, good free tier)
- Game/concept art: Midjourney or Leonardo.ai
Our Overall Rankings
- Midjourney — Best overall quality, worth the price for serious creators
- DALL-E 3 — Best for precision and text, easiest to use via ChatGPT
- Leonardo.ai — Best value with generous free tier, great for brands
- Stable Diffusion — Best for technical users who want maximum control
The "best" generator depends on your specific needs. Many creators use multiple tools for different tasks.
Frequently Asked Questions
Stable Diffusion is completely free and open-source — you can run it locally with no limits. Leonardo.ai offers the most generous free cloud tier with 150 tokens per day. Microsoft Designer (Bing) offers free DALL-E generation.
Yes, with caveats. Midjourney (paid plans), DALL-E 3, and Leonardo.ai all grant commercial usage rights. Stable Diffusion-generated images have no restrictions. Always check the specific terms of the tool and model you use.
Midjourney V6 consistently produces the highest quality, most aesthetically pleasing images. DALL-E 3 is best for following precise instructions and rendering text. Quality has become very competitive across all four platforms.