Seedream 5.0 Lite model guide
A practical guide to Seedream 5.0 Lite on GPT Image Hub: a 2K photographic model with natural skin and interior detail, reference edits, measured render times, and real examples.

Seedream 5.0 Lite is the lighter model in ByteDance's Seedream 5.0 family. On GPT Image Hub it renders 2K images in eight aspect ratios, from 1:1 to 21:9, for 36 credits each, at BytePlus's full list price. In the Hub's tests it produced natural portraits and interiors in 25 to 33 seconds and relit a portrait from a reference image while keeping the person and scene.
Visual examples
Visual examples

A Scandinavian kitchen in soft morning light at 16:9.
Interior at sunrise
A Scandinavian kitchen in soft morning light at 16:9.
Minimalist Scandinavian kitchen at sunrise, oak cabinets, lemons.Relit portrait
The potter scene relit to blue evening light with rain on the window.
Keep the potter and wheel; change to blue evening light and rain.Pick a preset
Each of the eight ratios maps to a fixed 2K size, such as 2848×1600 for 16:9.
Render the same scene at 21:9.Best use cases
- Portraits and documentary-style photos.
- Interior and architecture visuals.
- Relighting or changing the mood of an existing photo.
- Wide 16:9 and 21:9 scenes.
Where to be careful
- 1K or 4K output; Lite renders 2K only on the Hub.
- Ratios outside its eight presets, such as 5:4 or 3:1.
Strengths
Natural skin, fabric, and material detail in portraits and interiors.
Eight aspect ratios at 2K, including 21:9.
Reference edits that keep the subject and change light or mood.
Fast for 2K: 25 to 33 seconds in Hub tests.
Use cases
Portraits
Natural, documentary-style people photography.
Interiors
Clean architectural and interior scenes in wide ratios.
Relighting
Change time of day or mood while keeping the subject.
Workflow
Choose a ratio
Pick one of eight 2K presets, from 1:1 to 21:9.
Render
Expect 25 to 35 seconds per image.
Relight with a reference
Attach the result and describe the new light.
Prompting guidance
- Describe the light source and time of day.
- For portraits, mention skin texture and lens look.
- Pick one of the eight ratios; each maps to a fixed 2K preset.
- For edits, say exactly what must stay the same.
Copy-ready prompts
Portrait of a young potter shaping a clay bowl on a wheel, warm workshop light, natural skin texture, documentary photography, no text.
Wide photo of a minimalist Scandinavian kitchen at sunrise, oak cabinets, a bowl of lemons on the counter, soft natural light, interior design magazine style, no text.
Keep the potter, the wheel and the bowl exactly as they are; change the lighting to cool blue evening light from a window and add light rain on the glass.
Example outputs generated on GPT Image Hub



Official sources
FAQ
Which sizes does Seedream 5.0 Lite support?
2K in eight aspect ratios: 1:1, 4:3, 3:4, 3:2, 2:3, 16:9, 9:16, and 21:9. Each maps to a fixed preset, such as 2048×2048 or 2848×1600. Auto renders square.
How much does Seedream 5.0 Lite cost?
36 credits per image (about $0.036), BytePlus's full $0.035 list price rounded up to whole credits.
Do Seedream 5.0 Lite images carry a watermark?
No. The Hub turns off the provider's AI watermark for this model, so images come back clean.
Use this model
Start from a prompt template or compare models first
Use the generator when you already know the model, or compare all supported models when the prompt needs a different balance of speed, detail, and reference inputs.