Nano Banana Pro vs Seedream v4.5

We ran both models through 10 prompts and measured the results. Below you'll find the actual outputs, generation times, and our notes on each.

Quick Verdict
10 prompts tested Jan 2026
Nano Banana Pro Better text rendering
Seedream v4.5 Faster generation, Better photorealism
Winner Score 3-7 (Seedream)
Avg Speed Nano Banana: 18.6s
Avg Speed Seedream: 15.9s
Best at Text Nano Banana
Best at Photos Seedream

Specs

What each model can do.

Feature Nano Banana Pro Seedream v4.5
Text-to-Image Yes Yes
Image-to-Image Yes Yes
Max Resolution 4K (4096×4096) 4K (4096×4096)
Average Speed 18.6s 15.9s
Cost via fal.ai
$0.15
per image
$0.04
per image
Architecture Multimodal LLM Diffusion
Providers fal.ai, OpenRouter, Google AI fal.ai

Use both models in VM Studio

Install VM Studio and compare Nano Banana Pro vs Seedream v4.5 on your own prompts.

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