Melies
Image Model Comparison

Nano Banana 2 vs Seedream 4.5

Google vs ByteDance — two different approaches to top-tier image generation.

Nano Banana 2 from Google and Seedream 4.5 from ByteDance represent two different approaches to AI image generation. Google's latest image model with exceptional text rendering and multi-image compositing. On the other side, byteDance's flagship model with stunning aesthetics and complex scene understanding.

At 10 credits, Seedream 4.5 costs 5 credits less than Nano Banana 2 (15 credits). The question is whether the extra cost of Nano Banana 2 translates into meaningfully better results for your use case. For artistic scenes, complex compositions, high-resolution output, Seedream 4.5 is hard to beat at its price point. But if you need text rendering, character consistency, multi-image compositing, Nano Banana 2 may justify the premium.

Updated March 2026

The Bottom Line

Seedream 4.5 (10 credits) offers better value for everyday use, especially for artistic scenes. Nano Banana 2 (15 credits) is worth the premium when you need text rendering. Both are available on Melies — try each with a test prompt to see which fits your style.

Nano Banana 2 vs Seedream 4.5: Visual Output

Both generated with the same prompt and seed 42. Click to view full size.

GoogleNano Banana 2
ByteDanceSeedream 4.5

Nano Banana 2 vs Seedream 4.5: How They Compare

GoogleNano Banana 2
ByteDanceSeedream 4.5
ProviderGoogleByteDance
ReleasedFeb 2026Dec 2025
Cost
80.5K/151K/252K/404K
10
SpeedFastMedium
Reference imagesUp to 14Up to 10
Editing
WebP output

Nano Banana 2 vs Seedream 4.5: Cost Comparison

Seedream 4.5 is 33% cheaper than Nano Banana 2. Here's how credits add up at scale.

VolumeNano Banana 2Seedream 4.5
10 images 150 100
50 images 750 500
100 images 1,500 1,000

Strengths & Weaknesses

Google

Nano Banana 2

Strengths
  • + Faster generation speed
  • + Text rendering
  • + Supports 14 reference images
  • + WebP output for smaller file sizes
  • + More resolution options
Weaknesses
  • - More expensive (15 vs 10 credits)
ByteDance

Seedream 4.5

Strengths
  • + More affordable (10 vs 15 credits)
  • + Artistic scenes
  • + Auto 2K and 4K resolution
  • + Multi-image generation
  • + Up to 10 reference images
Weaknesses
  • - No WebP output

Nano Banana 2 vs Seedream 4.5: Which to Pick?

On a tight budget

At 10 credits per image, Seedream 4.5 gives you more generations for your plan. Good enough quality for most everyday use.

Seedream 4.5

Maximum quality matters

Nano Banana 2 is worth the extra credits when the output needs to be perfect — portfolio pieces, client work, or final deliverables.

Nano Banana 2

Character or style consistency

Nano Banana 2 supports 14 reference images to keep subjects, styles, and characters consistent across generations.

Nano Banana 2

Rapid iteration and testing

Nano Banana 2's fast generation means you can test more prompts in less time. Great for exploration.

Nano Banana 2

Nano Banana 2 vs Seedream 4.5: FAQ

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Try Nano Banana 2 & Seedream 4.5

Compare Nano Banana 2, Seedream 4.5, and 15+ AI image models side by side. Switch models with one click, same credits.

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