Z Image Turbo vs Seedream 4.5
Generated on PixelDojo. Produced by PixelDojo's generation pipeline.
Z Image Turbo costs 0.5 credits and rendered our seed-packet text prompt in about 8 seconds. Seedream 4.5 costs 1 credit and took about 20 seconds on the identical prompt. Both got the words right; the difference is in the illustration built around them. We ran the same vintage seed-packet prompt through both on August 26, 2026 and kept the first result from each.
Same seed-packet prompt, one bloom or four
Every example below was produced on PixelDojo. Hover to see the prompt.
A vintage seed packet design with the words 'MORNING GLORY' in hand-lettered type, botanical illustration of blue flowers, cream paper texture
Z Image Turbo
A vintage seed packet design with the words 'MORNING GLORY' in hand-lettered type, botanical illustration of blue flowers, cream paper texture
Seedream 4.5
Price, speed, and what each one actually rendered
Price
Z Image Turbo is a flat 0.5 credits per image, the cheapest model in the image catalog. Seedream 4.5 is a flat 1 credit per image, twice the price.
Measured speed
Z Image Turbo finished in about 8 seconds. Seedream 4.5 took about 20 seconds on the identical prompt, roughly two and a half times longer. Both numbers move with queue load.
What Z Image Turbo's output looked like
A square 1024 by 1024 card floating on a plain dark brown background with a soft drop shadow, like a packet photographed on a table. MORNING GLORY set in a navy hand-lettered serif across two stacked lines, both words spelled correctly. Below it, one blue morning glory bloom with two smaller buds and simple green leaves on a cream paper texture.
What Seedream 4.5's output looked like
A taller 1728 by 2304 page, full bleed with no card or shadow framing. MORNING GLORY arcs across the top in one line with small decorative flourishes at the ends, spelled correctly. Below it, four morning glory blooms in varying blues with visible botanical detail in the petals and leaves, and a second line of script text reading Heirloom Seeds that the prompt did not ask for but fits the genre.
Text accuracy
Both spelled MORNING GLORY correctly and kept it fully legible. Seedream 4.5 added its own extra caption; Z Image Turbo stuck to only the words the prompt specified.
Illustration density
Seedream 4.5 filled the page with four blooms and more visible petal veining and shading. Z Image Turbo kept a single bloom with two buds, a simpler composition that reads more like an actual small seed packet.
One text-render prompt, two models, same day. Z Image Turbo: 0.5 credits, about 8 seconds. Seedream 4.5: 1 credit, about 20 seconds.
Why Choose Pixel Dojo for Z Image Turbo vs Seedream 4.5
Professional-quality results with cutting-edge AI technology
Z Image Turbo is the cheapest text-render option in the catalog
0.5 credits and about 8 seconds, with the hand-lettered title fully legible on the first try.
Seedream 4.5 builds a fuller illustration around the same text
Four blooms instead of one, more visible botanical detail, at 1 credit and about 20 seconds.
How It Works
How we ran the comparison, so you can repeat it:
Send the identical prompt to both
We used the same vintage seed-packet prompt, word for word, on Z Image Turbo and Seedream 4.5 at their default settings, on August 26, 2026.
Keep the first result from each
No retries, no reroll. Z Image Turbo returned in about 8 seconds for 0.5 credits. Seedream 4.5 returned in about 20 seconds for 1 credit.
Check the text before judging the art
Zoom into the lettering first. Both spelled MORNING GLORY correctly, so the real choice is how much illustration you want built around it and what you are willing to pay per image for that.
The Pixel Dojo Advantage
Same text prompt, same day, two different budgets for illustration.
| Others | Pixel Dojo |
|---|---|
| Z Image Turbo: 0.5 credits flat, the cheapest image model in the catalog. | Seedream 4.5: 1 credit flat, twice the price. |
| Z Image Turbo measured turnaround: about 8 seconds. | Seedream 4.5 measured turnaround: about 20 seconds, roughly two and a half times longer. |
| Z Image Turbo output: 1024x1024, one bloom, a card-on-table framing with a drop shadow. | Seedream 4.5 output: 1728x2304, four blooms, full-bleed page with an added Heirloom Seeds caption. |
| Z Image Turbo offers 5 aspect ratio presets, one image per call. | Seedream 4.5 offers 10 size presets including 4K, and up to 4 images per call at 1 credit each. |
| Z Image Turbo has no reference-image field, text-to-image only. | Seedream 4.5 accepts up to 14 reference image URLs for editing an existing design. |
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Common Questions
Everything you need to know about Z Image Turbo vs Seedream 4.5
Which is cheaper, Z Image Turbo or Seedream 4.5?
Z Image Turbo, at a flat 0.5 credits against Seedream 4.5's 1 credit. It is the cheapest model in the image catalog.
Which one is faster?
Z Image Turbo, at about 8 seconds against about 20 seconds for Seedream 4.5 on the identical prompt, both measured on August 26, 2026.
Did both spell the text correctly?
Yes. MORNING GLORY came out fully legible and correctly spelled on both, in different hand-lettered serif treatments.
Which one should I use for a seed-packet or label design?
Z Image Turbo for a fast, cheap draft with a simple single-bloom composition. Seedream 4.5 if you want a fuller illustration with more flowers and finer botanical detail, and don't mind it adding a small caption of its own.
Can either one edit an existing design?
Seedream 4.5 can, with up to 14 reference image URLs in the same request as the prompt. Z Image Turbo is text-to-image only with no reference-image field.
How do I call these from the API?
POST to /api/v1/models/z-image-turbo/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.