Seedream 5 Lite vs Z Image Turbo
Generated on PixelDojo. Produced by PixelDojo's generation pipeline.
Use Seedream 5 Lite when a specific person has to appear correctly in a new scene, because it takes a reference photo. Z Image Turbo cannot accept one, so the same request turns into a guess from the words alone. We sent the same character-placement prompt to both on August 26, 2026: Seedream 5 Lite, given the actual reference photo, cost 1 credit and took about 30 seconds. Z Image Turbo, working from text only, cost 0.5 credits and took about 11 seconds. This page shows both results, including one clear failure mode on the faster model.
One reference photo, one guess from words alone
Every example below was produced on PixelDojo. Hover to see the prompt.
Place this exact woman on a bicycle crossing a rainy city crosswalk at dusk, neon shop signs reflecting in puddles, cinematic wide shot, keep her face, glasses, red curly hair, denim jacket and yellow shirt identical
Seedream 5 Lite
Place this exact woman on a bicycle crossing a rainy city crosswalk at dusk, neon shop signs reflecting in puddles, cinematic wide shot, keep her face, glasses, red curly hair, denim jacket and yellow shirt identical
Z Image Turbo
What the two runs actually measured
The runs were not apples to apples, on purpose
We had a real reference photo of a specific woman, a character sheet generated earlier the same day. Seedream 5 Lite took that photo as input and edited it into a new scene. Z Image Turbo's capability list is text-to-image only, with no image-input field, so it received just the words and had to invent someone matching the description.
Seedream 5 Lite's test: 1 credit, about 30 seconds
The auto_2K size default, one reference image, editing toward the same bicycle-crossing scene. The finished image measured 2848 by 1600 pixels. It kept the reference photo's red curly hair, round glasses, denim jacket, and yellow shirt, though the shot came back as more of a standing pose next to the bike near legible CAFE, LAUNDROMAT, and OPEN neon signage, rather than a dynamic mid-crossing shot.
Z Image Turbo's test: 0.5 credits, about 11 seconds
Text-to-image only, default 1:1 aspect ratio, same prompt wording. The finished image measured 1024 by 1024 pixels and came back with three cyclists in frame instead of one: a central rider with red curly hair, glasses, and a yellow top roughly matching the description, flanked by two extra riders the model added on its own. Without a reference photo anchoring a single subject, the fastest, cheapest model in this pair also produced the least controlled result.
This is a schema difference, not a settings difference
Z Image Turbo has no reference-image field in its schema. Seedream 5 Lite accepts up to 14 reference image URLs in the same request that carries the prompt, more than full Seedream 5's cap of 10.
Price and speed both favor Z Image Turbo when identity is not the goal
0.5 credits and about 11 seconds is the cheapest, fastest combination in the whole image catalog. The tradeoff, visible in our test, is less control over exactly how many subjects show up and how they look.
Same prompt, same day, one real capability gap. Seedream 5 Lite with a reference photo: 1 credit, about 30 seconds. Z Image Turbo from text only: 0.5 credits, about 11 seconds.
Why Choose Pixel Dojo for Seedream 5 Lite vs Z Image Turbo
Professional-quality results with cutting-edge AI technology
Pick Seedream 5 Lite to keep a face and outfit consistent
It takes a reference photo, so a specific person appears correctly instead of being reinvented, at 1 credit.
Pick Z Image Turbo for the cheapest possible fresh scene
0.5 credits and about 11 seconds when there is no existing subject to preserve, only a text idea, and extra output variance is acceptable.
Seedream 5 Lite renders legible signage
CAFE, LAUNDROMAT, and OPEN all came out as real, readable words in the background of our test.
How It Works
How we ran the comparison, so you can repeat it:
Start from a real reference photo
We used a character sheet image generated earlier the same day: a woman with red curly hair, round glasses, a denim jacket, and a yellow shirt.
Send the same scene-placement prompt to both models
Seedream 5 Lite received the reference photo alongside the prompt. Z Image Turbo received only the prompt text, since it has no image input.
Compare what came back
POST to /api/v1/models/seedream-5-lite/run or /api/v1/models/z-image-turbo/run. Ours charged 1 and 0.5 credits and returned in about 30 and 11 seconds, with only one of the two actually matching the source photo.
The Pixel Dojo Advantage
Real numbers and a real capability gap from the same day, same prompt.
| Others | Pixel Dojo |
|---|---|
| Seedream 5 Lite: 1 credit flat per image, size and reference images included. | Z Image Turbo: 0.5 credits flat, the cheapest image model in the catalog. |
| Seedream 5 Lite measured turnaround: about 30 seconds for the edit. | Z Image Turbo measured turnaround: about 11 seconds from text alone. |
| Seedream 5 Lite output: 2848x1600, one subject, matching the reference photo's face, hair, glasses, and outfit. | Z Image Turbo output: 1024x1024, three riders in frame, only the center one loosely matching the described features. |
| Seedream 5 Lite accepts up to 14 reference image URLs per request. | Z Image Turbo has no reference-image field in its schema at all. |
| Seedream 5 Lite rendered three separate storefront signs as legible words. | Z Image Turbo's signage came out only partially legible, with duplicated subjects taking priority over background detail. |
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Common Questions
Everything you need to know about Seedream 5 Lite vs Z Image Turbo
Can Z Image Turbo edit an existing photo?
No. Its capability list is text-to-image only, with no reference-image field in the schema.
Can Seedream 5 Lite keep a specific person's face across a scene change?
Yes. Send the reference photo as one of up to 14 image URLs alongside the prompt. Our test kept the hair, glasses, jacket, and shirt from the reference intact, at 1 credit.
Which is cheaper?
Z Image Turbo, at a flat 0.5 credits against Seedream 5 Lite's 1 credit. It is the cheapest model in the image catalog.
Which is faster?
Z Image Turbo, at about 11 seconds against about 30 seconds for Seedream 5 Lite's reference-image edit, both measured on August 26, 2026.
What went wrong in the Z Image Turbo test?
Without a reference photo to anchor a single subject, it placed three cyclists in the frame instead of one, and only the center rider loosely matched the described hair, glasses, and top. That is a real limitation of running text-to-image only, not a one-off glitch tied to this prompt specifically.
How do I call each one from the API?
POST to /api/v1/models/seedream-5-lite/run with image_urls and a prompt, or /api/v1/models/z-image-turbo/run with just a prompt. Same API key both times.