Nano Banana 2 Lite vs Seedream 4.5
Generated on PixelDojo. Produced by PixelDojo's generation pipeline.
Nano Banana 2 Lite costs 2 credits per image and returned our sticker test in about 13 seconds. Seedream 4.5 costs 1 credit per image and took about 26 seconds on the same prompt. Seedream 4.5 is cheaper; Nano Banana 2 Lite is roughly twice as fast. The bigger practical difference showed up in the output itself: one gave us a finished sticker asset, the other gave us a mockup photo of that sticker on a card. We sent the same corgi astronaut sticker prompt to both on August 26, 2026 and kept the first result from each.
Same corgi astronaut brief, one mockup and one flat file
Every example below was produced on PixelDojo. Hover to see the prompt.
A cheerful sticker design of a corgi astronaut floating among stars, bold outlines, flat colors, die-cut style
Nano Banana 2 Lite
A cheerful sticker design of a corgi astronaut floating among stars, bold outlines, flat colors, die-cut style
Seedream 4.5
Price, speed, and what each one actually rendered
Price
Seedream 4.5 is 1 credit per image, up to 4 images in one call for 4 credits total. Nano Banana 2 Lite is a flat 2 credits per image, twice Seedream 4.5's per-image price.
Measured speed
Nano Banana 2 Lite finished in about 13 seconds. Seedream 4.5 took about 26 seconds on the identical prompt, roughly twice as long. Both numbers move with queue load.
What Nano Banana 2 Lite's output looked like
A photographed mockup: the die-cut sticker shown on a white card against a light gray backdrop, with a shadow under the card edge. The scene inside the sticker was dense, a smiling corgi in a space helmet holding a small bone-shaped flag, NASA-style patches on the suit, and a packed background of the moon, Earth, a spiral galaxy, Saturn, a red planet, and constellation lines. It looked like a finished product photo rather than a flat design file.
What Seedream 4.5's output looked like
A flat sticker graphic with no mockup card: a running corgi in a space suit against a solid dark blue background, thick black outlines, flat orange and white fur colors, and a plain scattering of yellow stars. No planets or galaxy elements. This reads closer to a print-ready sticker file, since there is no photographed card or shadow to crop out.
Resolution and output format
Nano Banana 2 Lite renders at a fixed 1K resolution with no size picker. Seedream 4.5 defaults to an automatic 2K setting and also offers an automatic 4K option, 9 aspect ratio presets, and a custom mode from 1296 to 4096 pixels per side.
Reference images for editing
Both accept up to 14 reference image URLs alongside the prompt for image-to-image work, at the same per-image price as a plain generation.
One sticker prompt, two models, same day. Nano Banana 2 Lite: 2 credits, about 13 seconds. Seedream 4.5: 1 credit, about 26 seconds.
How It Works
How we ran the comparison, so you can repeat it:
Send the identical sticker prompt to both
We used the same corgi astronaut sticker prompt, word for word, on Nano Banana 2 Lite and Seedream 4.5 at their default settings, on August 26, 2026.
Keep the first result from each
No retries, no reroll. Nano Banana 2 Lite returned in about 13 seconds for 2 credits. Seedream 4.5 returned in about 26 seconds for 1 credit.
Judge by the file you actually need
If you want a preview of the sticker as a physical product, Nano Banana 2 Lite's mockup style saves a step. If you want a flat file to send straight to a printer, Seedream 4.5's plain background output needs less cleanup.
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Common Questions
Everything you need to know about Nano Banana 2 Lite vs Seedream 4.5
Which is cheaper, Nano Banana 2 Lite or Seedream 4.5?
Seedream 4.5, at 1 credit per image against Nano Banana 2 Lite's flat 2 credits. Seedream 4.5 also lets you generate up to 4 images in one call for 4 credits total.
Which one is faster?
Nano Banana 2 Lite. Our run finished in about 13 seconds against about 26 seconds for Seedream 4.5 on the identical sticker prompt, timed the same day.
Which one gives a print-ready sticker file?
Seedream 4.5's output on our test was a flat graphic on a solid background, closer to something you could send to a sticker printer as is. Nano Banana 2 Lite rendered a photographed mockup of the sticker on a card, which looks more like a finished product shot than a source file.
What resolutions does each support?
Nano Banana 2 Lite is fixed at 1K resolution with no size options. Seedream 4.5 defaults to automatic 2K, offers an automatic 4K mode, 9 aspect ratio presets, and a custom size up to 4096 pixels per side.
Can either one edit an image I already have?
Yes, both. Send up to 14 reference image URLs with your prompt on either model and it works from those instead of generating blank, at the same per-image price.
How do I call these from the API?
POST to /api/v1/models/nano-banana-2-lite/run or /api/v1/models/seedream-4/run with the same API key and the same request shape, just a different apiId in the path.