ByteDance Seedream 5.5 · Coming soon
Seedream 5.5 AI Image Generator
Seedream 5.5 is ByteDance's next image model — the successor to Seedream 5.0 Pro. It's still in preview, but you can already generate with the current flagship right here, on the same credit balance you'll keep when 5.5 lands.
The composer above runs on Seedream 5 Pro — ByteDance's current shipping model. When 5.5 goes live, it will appear in this same workspace.
What you can make today
Real outputs from this workspace's current model — Seedream 5 Pro. When 5.5 launches, the same dashboard will offer it alongside.
Photoreal landscapes
Atmospheric scenes with controlled lighting and depth.
This image presents a hyper-realistic luxury skincare bottle in clear blue water with frozen splashes and warm, blurred greenery. Premium aesthetic through sharp macro details and cinematic lighting.
Product and ad shots
Clean studio renders for packaging and campaign concepts.
A warm, country-style bedroom interior with soft bedding, wood textures, and gentle window light. Suitable for interior design concepts and cozy lifestyle illustration projects.
Interiors and architecture
Rooms and facades with believable perspective and materials.
Golden sunlight pierces deep blue clouds, casting luminous rays across the ocean. Layered, oil-painting-style brushstrokes blend with sparkling reflections.
Stylized editorial
Lo-fi, filmic, or illustrative looks for social and print.
A pink bird photographed with stripey moths in a lo-fi digicam style, with soft flash and natural textures. Suitable for wildlife illustration and nature design projects.
Portraits
Natural skin texture and magazine-style lighting.
A young woman in a casual selfie pose, highlighting natural makeup and a ribbed knit sweater under soft indoor light. Fresh, everyday beauty with realistic skin texture.
Food and lifestyle
Editorial food shots with warm film grain.
A caramel pudding photographed in warm film-grain light, styled simply against a soft background. Suitable for dessert advertising and food photography projects.
What ByteDance says Seedream 5.5 adds
Only the improvements BytePlus has confirmed in its preview announcement. We don't quote rumored specs.
Native RGBA output
Transparent and semi-transparent backgrounds at the model level — no post-cutouts needed for stickers, mockups, or layered composites.
Stable quality across edits
Multi-round local edits hold image fidelity instead of degrading after each pass — better for iterative design work.
Sharper in-image text
Small fonts and multilingual copy rendered more accurately — useful for posters, price signs, and localized ad creative.
More realistic light and materials
Better handling of reflections, skin, and fabric under complex lighting conditions.
Available now: Seedream 5 Pro
The current shipping model is already in this workspace. No waitlist — you can start generating today and switch the moment 5.5 launches.
Same balance when 5.5 lands
Your account, credits, and history carry over. No second signup, no second wallet — Seedream 5.5 will appear as another model option.
Seedream 5.5 vs. the current generation
Side-by-side on the fields ByteDance has actually confirmed. 5.5 entries marked 'expected' are from the official preview page.
| Capability | Seedream 5.5 | Seedream 5 Pro | Seedream 5 (Lite) | Seedream 4.5 | |
|---|---|---|---|---|---|
| Availability | Preview (expected late Oct 2026) | Live · 9 credits | Live · 14 credits | Live · 8 credits | |
| Transparent output | Native RGBA (expected) | Not supported | Not supported | Not supported | |
| Multi-round editing | Stable across rounds (expected) | Single-pass edits | Single-pass edits | Single-pass edits | |
| In-image text | Improved small/multilingual text (expected) | Strong multilingual text | Standard | Standard | |
| Speed | Unpublished | ~15–25 s | ~10 s | ~10–15 s | |
| Aspect ratios | Unpublished | 1:1, 3:4, 9:16, 4:3, 16:9 | 1:1, 3:4, 9:16, 4:3, 16:9 | 1:1, 3:4, 9:16, 4:3, 16:9 |
Fields marked 'expected' come from BytePlus's official Seedream 5.5 preview. We don't quote unofficial numbers like "100 layers" or "1.8s generation".
How to use it
You don't have to wait for 5.5 to ship — the workflow is identical to the current model.
Type a prompt
Describe subject, setting, and style in plain words. No special syntax needed — the model handles lighting and composition.
Generate with Seedream 5 Pro
The composer above hands your prompt to the dashboard, which runs the current shipping model at 9 credits per image.
Switch when 5.5 lands
The day 5.5 goes live, it appears as another model option on the same workspace. Your credits and history carry over — nothing else to do.
What people will use Seedream 5.5 for
The jobs the current model already handles well — and where the announced 5.5 improvements matter most.
Multilingual ad creative
Posters, price signs, and campaign visuals with readable text in multiple languages — the area 5.5 explicitly targets.
Product mockups and stickers
Native transparency means cleaner cutouts for packaging mockups, sticker packs, and layered composites.
Iterative design workflows
Multi-round local edits hold quality, so refining the same image across several passes stays usable.
Editorial portraits
Improved skin and material rendering under complex lighting for magazine-style portraiture.
Honest boundaries
What's true today — no speculation, no marketing inflation.
Seedream 5.5 is not out yet
It's in ByteDance's preview program. There's no public API, no published pricing, and no independent benchmarks. We don't pretend otherwise.
Today you get Seedream 5 Pro
The composer above and every sample on this page were made with the current flagship — the strongest Seedream model actually available.
The sample images aren't from 5.5
Everything shown on this page was generated with Seedream 5 Pro, and the cards say so. We don't label 5.0 output as 5.5 previews.
5.5 specs are 'expected', not final
The table above uses ByteDance's preview language. Real numbers may shift at launch — we'll update this page when they do.
One credit balance for every model
Seedream 5 Pro costs 9 credits per image. When 5.5 launches it will share the same balance — no new subscription, no migration.
Seedream 5.5 FAQ
What is Seedream 5.5?
ByteDance's next image model, the successor to Seedream 5.0 Pro. BytePlus's preview lists four improvements: native RGBA transparency, stable quality across multi-round edits, sharper multilingual text, and more realistic light and material rendering.
When is the Seedream 5.5 release date?
BytePlus says late October 2026, subject to change, and the debut platform is Lumina by BytePlus. The day it becomes generally available we'll add it to this workspace's model picker.
Can I use Seedream 5.5 for free right now?
Not yet — the model is still in preview. What you can use today for free is Seedream 5 Pro: signed-in accounts get a daily credit allowance, enough for several images without a card.
Which model generates my images right now?
Seedream 5 Pro — ByteDance's current flagship shipping model. We don't substitute an older model and label it as 5.5.
Will Seedream 5.5 support transparent backgrounds?
That's what BytePlus's preview says — native RGBA output at the model level, not a post-processing cutout. We'll update this page once it's actually testable.
Do I need to sign up again when 5.5 launches?
No. Your account, credit balance, and history carry over. Seedream 5.5 will appear as another option in the same model picker.
Does it render readable text in different languages?
That's one of the announced improvements — better small-font and multilingual in-image text. The current model already handles multilingual copy well enough for posters and ads.
Is there a Seedream 5.5 API?
BytePlus hasn't published API details yet. This site does expose an API for the current model — see /docs — and 5.5 will be added there when it's upstream-available.
Start with Seedream 5 Pro today
Seedream 5.5 is coming — but you don't have to wait. Generate with the current flagship now, keep the same account when 5.5 drops.