Now live
Seedream 5.5: Stable Multi-Round Edits and Up to 100 Layers
ByteDance’s newest Seedream image model, live on A2E today. Edit the same image for up to 100 rounds without the subject drifting or colors shifting, get more lifelike detail and clearer small and multilingual text, and split one image into up to 100 layers.
One subject, edit after edit
These clips come from the demo videos in the Seedream 5.5 guide: the same person carried through scene after scene, which is what stable multi-round editing looks like. Seedream 5.5 itself outputs still images; the demos loop silently here.
Four things it does best
All four come from ByteDance’s own description of Seedream 5.5. What you get on A2E is whatever your own generation returns.
A hundred edits later, still the same person
Refine the same image for up to 100 rounds without the subject drifting or colors shifting — faces, products and backgrounds you did not ask to change stay as they were. So you can change one thing per round — the outfit, the setting, the light — without losing what you already settled.
Skin, fabric and light that look real
Skin, fabric, lighting and materials look more natural, and character lighting and fine detail hold up even in close-ups. ByteDance says its realism is ahead of comparable models. Lifelike portraits and product shots that need a photographed feel take fewer rounds of fixing.
Small print and multilingual text, clearer
Small print, labels, posters and packaging copy render noticeably more clearly, in multiple languages. Put the exact wording in quotation marks and name the language, size and position; short lines of small text come out cleanest. Check every word before anything ships.
Split one image into up to 100 layers
In Layer Decomposition mode, one image splits into a background plus up to 99 transparent PNG layers — ByteDance calls it the highest layer count in the industry. Swap or reuse characters, props and backgrounds on their own; turn on Recognize Text and text layers come back with their wording and styling for further editing. Only regular fonts are recognized; artistic or handwritten lettering may not be.
Pick the mode first: Image Generation or Layer Decomposition
Seedream 5.5 has two modes on A2E; switch between them under Generation Mode in the generator.
Image Generation · create and edit
Write a prompt to generate, or add up to 10 reference images to edit. Aspect ratio, resolution, background, format and how many images per run are all yours to set. To keep things consistent, pick the result you like and keep editing it, one change per round.
Layer Decomposition · take an image apart
Upload one source image, set the maximum number of layers, and the model splits it into a background plus transparent PNG layers. Turn on Recognize Text if you want to edit the wording in the image.
Built for production work
The four kinds of work the Seedream 5.5 guide names.
Film, concept art and storyboards
More faithful character lighting and detail, better spatial understanding of scenes, and more responsive shot and camera changes than the previous generation.
E-commerce and marketing
Products reproduced accurately, natural body proportions and details in on-model outfit shots, one visual adapted to multiple aspect ratios, and campaign materials for every channel.
Games and dynamic scenes
Split a static image into layers and reuse characters, props and backgrounds across game assets — or animate the layers separately to build a dynamic or interactive scene. Seedream 5.5 makes the layers; the motion is added afterwards.
UGC templates and portraits
UGC templates, outpainting, body retouching and portrait photos, with more natural and consistent results.
Four steps to your first image
This is the actual order of operations on A2E. Nothing extra to install or activate.
1. Select Seedream 5.5
Open the Seedream 5.5 generator, or choose Seedream 5.5 from the model menu in Text to Image or Image Editor.
2. Write your prompt
Describe the subject, scene, lighting, style and any exact text. Prompts can be up to 2,500 characters; put words that should appear in the image in quotation marks.
3. Add references and settings
Image Generation takes up to 10 references, plus aspect ratio, resolution, image count, format and background. Layer Decomposition takes one source image, with up to 100 layers, text recognition, resolution and base image format.
4. Generate and keep editing
Review the results in My Results, then refine the best image with follow-up edits while the unchanged areas stay stable. Results are kept for 3 days, so download the ones you want to keep.
What you can set per generation
These are the controls Seedream 5.5 exposes on A2E today — enough to judge whether it clears your delivery bar.
| Setting | What you get |
|---|---|
| Mode | Image Generation, or Layer Decomposition to split an image into layers. |
| Aspect ratio | 7 ratios: 1:1, 16:9, 9:16, 4:3, 3:4, 2:3 and 3:2. Layer Decomposition follows the source image. |
| Resolution | 1K, 1.5K or 2K. |
| Reference images | Optional, up to 10 per generation. JPG, PNG or WEBP, up to 20 MiB each, 240 to 6,000 px per side, aspect ratios from 1:16 to 16:1, up to 36 million pixels. |
| Prompt | Up to 2,500 characters. |
| Background | Auto, Opaque or Transparent. |
| Output format | PNG or JPEG. Save as PNG to keep a transparent background. |
| Images per run | 1 to 9. |
| Layers | One source image in; a background plus transparent PNG layers out, 2 to 100 layers in total (5 by default). Recognize Text is optional and reads regular fonts only. |
AI output can still get a word, a count or a logo wrong. Check labels, claims and brand marks before anything ships.
Four habits that save a retry
Change one thing per edit
In multi-round editing, describe only what should change and say what must stay the same. Change three things at once, and when one comes out wrong you will not know which instruction caused it.
Quote the exact text
Put visible words in quotation marks and name the language, style, size and position. Short lines of small text render most cleanly.
Give each reference a role
Say whether a reference controls the product, character, pose, style or composition, so the model knows what to preserve.
Decide how many layers before you split
A higher layer limit usually means finer splits. A dozen or so is enough to separate the text from the subject; go higher when every prop needs to come out on its own.
Docs and API
Building Seedream 5.5 into your own product? Endpoints, parameters, authentication and billing are in the A2E developer docs, and MCP access is available there too.
Why run Seedream 5.5 on A2E
Runs in the browser
No GPU, no install and no API key. Seedream 5.5 draws on your A2E account like every other model on the site.
Every model, one account
GPT Image, Nano Banana, Seedream, FLUX and Z-Image sit behind one account and one balance. Run the same brief through several and keep the best.
From still to finished asset
Image editing, upscaling and image-to-video live next to generation, so a still can become a banner, a product page or a clip without leaving the site.
FAQ
What is Seedream 5.5?
Seedream 5.5 is the newest image generation and editing model in ByteDance’s Seedream series. It keeps subjects and colors stable across up to 100 rounds of edits, renders more lifelike detail and clearer small and multilingual text, and can split one image into a background plus up to 99 layers.
How is Seedream 5.5 different from Seedream 5.0?
Seedream 5.5 holds subjects and colors steady over up to 100 rounds of editing, renders more realistic detail and clearer small and multilingual text, understands scenes and shot changes better, and adds Layer Decomposition. Both Seedream 5.5 and Seedream 5.0 Pro accept up to 10 reference images.
What does layered editing mean?
In Layer Decomposition mode you upload one image, and the model splits it into a background plus up to 99 transparent PNG layers. With Recognize Text on, it also returns editable text and styling for supported regular fonts; artistic or handwritten text may not be recognized.
Which aspect ratios and resolutions can I choose?
Seven aspect ratios — 1:1, 16:9, 9:16, 4:3, 3:4, 2:3 and 3:2 — at 1K, 1.5K or 2K. You can add up to 10 reference images per generation.
Is Seedream 5.5 free to use?
You can start on A2E for free: new accounts get bonus credits on signup, no credit card is required, and you can claim extra credits every day by checking in. What a Seedream 5.5 generation costs is shown in the generator before you submit.
Can I use the images commercially?
Yes. Images generated on a paid A2E plan can be used commercially — ads, social media, client deliverables, e-commerce listings and print — and you keep ownership of the output. Check product details, text and logos before anything ships.
Where do my images go after generation?
Every finished job appears in the My Results tab beside the generator, where you can preview, download, share or delete it. The list keeps the last 3 days of generations, so download anything you want to keep.
Related AI image models on A2E
- Seedream 5.0 — the previous Seedream generation, still available when you want to compare results on the same brief.
- GPT Image 2.5 — OpenAI’s image model for precise edits and faithful references, up to 4K.
- Nano Banana Pro and Nano Banana 2 — fast generation and editing when turnaround matters most.
- FLUX.2 and Z-Image — alternative image models worth running the same prompt through.
- Image to video — bring a finished still to life.