Seedream 4.5 AI Image Generator & Editor

Generate and edit premium AI images with Seedream 4.5 in Magic Hour. Use it for multi-image consistency, prompt adherence, typography, and high-fidelity professional visuals.

4.9/5 on Product Hunt
60M+ AI images generated
1M+ people use Magic Hour every month
Use Seedream 4.5 API:
Fast, easy, and scalable
Seedream 4.5 example: comic-book panel of a man in a yellow jacket on a city rooftop at night
Comic rooftop
View prompt

Turn this photo into a comic book panel with the man standing on a city rooftop at night, bold ink outlines and halftone shading

Seedream 4.5 example: woman in a camel coat on a neon-lit city street at dusk
Street portrait
View prompt

Place her on a busy city street at dusk with blurred neon signs behind her, keep her face, coat and pose the same

Seedream 4.5 example: man in green armor in a market with a giant robot behind him
Hero battle
View prompt

Turn him into a superhero in a sleek green armored suit facing a giant robot in the market, cinematic action shot, keep his face the same

Seedream 4.5 example: Queen of Hearts playing card with a smiling woman in a crown and gown
Queen card
View prompt

Turn this photo into an ornate Queen of Hearts playing card: she wears a golden crown and a royal gown, with a card border and the letter Q with a red heart in each corner, hearts only

Seedream 4.5 example: man taking a selfie with a capybara
Capybara selfie
View prompt

Add a friendly capybara next to him taking a selfie together, both looking at the camera, keep his face the same

Seedream 4.5 example: curly-haired woman lit warm orange on one side against a dark backdrop
Split lighting
View prompt

Relight her with dramatic split lighting, half of her face lit by warm orange light and half in deep shadow, dark studio background

Seedream 4.5 example: Morning Cup wooden shop sign on a rainy night with a warm glow inside
Rainy night
View prompt

Change the scene to a rainy night with wet wood, dripping water and a warm glow from inside the shop, keep the sign text the same

Seedream 4.5 example: white Glow skincare jar on a wet stone in a misty fern forest
Product scene
View prompt

Place the jar on a wet stone in a misty fern forest with soft morning light, keep the jar and its label the same

How to evaluate Seedream 4.5

A practical decision guide based on Magic Hour's current product support and the questions creators ask when comparing models.
Best fit on Magic Hour
Professional image work where consistent subjects, multi-image editing, composition, and polished aesthetics need to coexist.
Consider another model when
Use a faster or cheaper model for broad exploration before committing to high-fidelity multi-reference or final asset work.

Three useful first-run tests

Use the prompts below to test the failure modes that matter before committing to a larger batch.
Multi-image consistency
“Create a campaign image using the person from reference 1, product from reference 2, and lighting style from reference 3.”
Check identity, product geometry, source separation, lighting integration, and overall composition.
Natural people
“Candid restaurant scene with four friends passing plates across a small table, natural expressions and overlapping hands.”
Check anatomy, eye lines, hands, occlusion, subject count, and whether the moment feels staged.
Structured design
“Create a clean landscape ad with product on the right and exact headline "BUILT FOR THE LONG WAY" on the left.”
Check copy accuracy, negative space, hierarchy, product proportions, and usable crop safety.
These prompts are evaluation recipes, not controlled benchmark results. Run the same prompt and settings across models before drawing a conclusion.

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How To Create with Seedream 4.5

Three simple steps to generate or edit images with Seedream 4.5 in Magic Hour

  1. 1
    Enter a Prompt and Optional Image

    Enter a Prompt and Optional Image

    Describe the image you want to generate, or upload an image to edit, restyle, or combine with references.
  2. 2
    Customize Output

    Customize Output

    Choose aspect ratio, resolution, image count, or reference images depending on the workflow. Use a template if you want a faster first draft.
  3. 3
    Create Your Image

    Create Your Image

    Submit your prompt to create the result. Keep the strongest version, or iterate with a more specific follow-up prompt.
Create with Seedream 4.5

Why Choose Seedream 4.5

Seedream 4.5 is built for creators who care about identity, detail, and stable visual logic across outputs.

Professional consistency

Seedream 4.5 is built for creators who care about identity, detail, and stable visual logic across outputs.

Multi-image editing

Useful when multiple references need to survive the edit without losing fidelity.

Typography and polished design

A strong choice for layout-heavy visuals, marketing assets, posters, and branded content.
No design skills required

No Design Skills Required

Turn your ideas into polished outputs quickly — no complex editing workflow needed. Just use a clear prompt, a reference if helpful, and iterate.
Collage of Magic Hour templates

Thousands of Templates

Make your photos even better and faster with our high-quality templates.
Browse AI Image Editor Templates

How Seedream 4.5 Compares to Other Image Models

Seedream 4.5
THIS MODEL
Nano Banana Pro
Nano Banana 2
Seedream 4
Qwen Edit
Z-Image Turbo
Best for
Professional consistency, multi-image editing, typography-heavy visuals
Premium creative control and multi-image composition
Fast all-around generation and editing
Detailed polished stills and graphics
Lower-cost prompt-based editing
Fast generation-only workflows
Prompt adherence
Excellent
Excellent
Excellent
Strong
Strong
Strong
Text rendering
Excellent
Excellent
Strong
Strong
Strong for edits
Strong
Image editing
Excellent
Excellent
Excellent
Strong
Excellent
No
Multi-image references
Strong
Best in class
Strong
Strong
Limited
No
Photorealism
Excellent
Excellent
Strong
Excellent
Good
Strong
Speed / iteration
Medium
Medium
Excellent
Medium
Good
Excellent
Workflow fit
High-consistency professional editing
Premium client and brand work
Best default all-around workflow
Polished marketing stills
Editing-first tasks
Fast generation only
Create with Seedream 4.5

What Seedream 4.5 is best at

Where Seedream 4.5 really shines: high consistency, prompt adherence, multi-image editing, stronger typography, and professional visual output for teams that need control rather than guesswork.

Excellent prompt adherence
Useful when the image needs to match a detailed brief closely.
Accurate multi-image editing
A strong option when several reference images need to stay coherent in one result.
Better typography
More reliable than many peers for text-heavy visuals and polished design work.
High consistency and fidelity
A premium fit for brand systems, product images, and recurring visual styles.
Editing-first professional workflow
Especially compelling when the starting point is an existing asset set that needs controlled changes.
Strong final-pass model
A smart choice when a cheaper speed model got you close but not all the way there.

Seedream 4.5 — Model Card

Key specs, capabilities, and limitations.

Cost
Generation and editing — 640px / 1K / 2K / 4K = 50 / 50 / 75 / 100 credits per image
Resolution
640px, 1K, 2K, 4K
Aspect ratios
Editor supports auto, 16:9, 9:16, 4:3, 3:2, 1:1, 4:5, 2:3
Max outputs
Up to 4 for generation; 1 for editing
Editing
Yes, native
Plans
Creator / Pro / Business
Limitation
Generation requires a prompt; editing requires an input image

Frequently asked questions

Seedream 4.5 is ByteDance Seed's upgraded professional image model with stronger prompt adherence, consistency, typography, and multi-image editing than Seedream 4.

Seedream 4.5 is best for professional brand visuals, typography-heavy assets, multi-image editing, and any workflow where consistency matters more than raw speed.

Inside Magic Hour, Seedream 4.5 supports up to four outputs for generation and one output per request in the editor. Pricing is 50 / 50 / 75 / 100 credits per image at 640px / 1K / 2K / 4K. Every resolution requires a paid plan. You can generate from a prompt without an input image.

Yes. Editing is the clearest current strength of Seedream 4.5 inside Magic Hour.

Seedream 4.5 costs 50 / 50 / 75 / 100 credits per image at 640px / 1K / 2K / 4K in Magic Hour's generation and editing workflows. Every resolution requires a paid plan.

Usually yes for consistency, multi-image editing, typography, and prompt adherence. Seedream 4 can still be a better value if you mainly need generation.

It depends. Seedream 4.5 is particularly strong for consistency-heavy pro visuals and multi-image editing. Nano Banana Pro is especially strong for typography, composition control, and premium Google-based workflows.

In Magic Hour's editor, Seedream 4.5 supports auto, 16:9, 9:16, 4:3, 3:2, 1:1, 4:5, and 2:3. Resolution buckets are 640px, 1K, 2K, and 4K.

Magic Hour lets you compare Seedream 4.5 against Nano Banana Pro, Nano Banana 2, and Qwen so you can decide when an image truly needs a premium final-pass model.

Choose Seedream 4.5 when consistency, typography, and professional editing matter more than speed. Choose Nano Banana 2 when speed and all-around versatility matter more.

Paid subscriptions, credit-pack purchases, and separately agreed paid usage-based billing arrangements include commercial-use rights. Users without one of these paid arrangements are limited to personal, non-commercial use. Images created or edited with Seedream 4.5 on Magic Hour can be used commercially, subject to our Terms.

Start in FLUX Schnell, Z-Image Turbo, Nano Banana, or Nano Banana 2, then move only the winning concept into Seedream 4.5 for final refinement.

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