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Seedream 5.5: Генератор изображений AI

Generate photorealistic images with the Seedream 5.5 API. Native transparent backgrounds, 8 aspect ratios, 1K to 2K output. Pay per generation. Seedream 5.5 is ByteDance's image model for photographic realism and aesthetics, with native transparent-background output, 8 aspect ratios and 1K, 1.5K and 2K tiers.

Интерактивное управление моделью

Seedream 5.5 is ByteDance's image model for photographic realism and aesthetics, with native transparent-background output, 8 aspect ratios and 1K, 1.5K and 2K tiers.

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Обзор

Об этой модели

Seedream 5.5 is ByteDance's image model focused on photographic realism and visual aesthetics. The Seedream 5.5 text-to-image API renders images at 1K, 1.5K and 2K, supports 8 aspect ratios from 9:16 to 21:9, and can return native transparent-background PNGs for stickers, product cut-outs and design assets. Edit existing images with Seedream 5.5 Edit, split flat images into layers with Seedream 5.5 Layer Decomposition, or compare with the earlier Seedream 5.0 Pro.

1Marketing: Produce campaign visuals, social graphics and posters with readable in-image text.
2Transparent Assets: Generate stickers, icons, characters and product cut-outs with an alpha channel.
3Product Photography: Create photorealistic lifestyle and studio shots for catalogs.
4Creative Concepting: Explore characters, environments and styles cheaply at 1K before finalizing at 2K.
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Цены и стоимость

Анализ затрат

muapiapp$0.02/image (1K, 1.5K), $0.035/image (2K)

Цена с оплатой за поколение, подписка не требуется.

Fal.aiНедоступно

No dedicated Seedream 5.5 endpoint confirmed at this time.

ReplicateНедоступно

No dedicated Seedream 5.5 endpoint confirmed at this time.

** Цены конкурентов рассчитаны на основе аналогичных архитектур моделей и уровней использования.

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Технические детали

Схема конфигурации

подсказатьstring

Text prompt describing the image to generate

Значение по умолчаниюA cozy street-side cafe in Lisbon at golden hour, a barista handing a cup of coffee across the counter, warm natural light, blue azulejo tiles, a chalkboard menu written in English, photorealistic, shot on 35mm
соотношение сторонПеречисление (8 опций)

соотношение сторон выходного изображения.

Значение по умолчанию1:1
РазрешениеПеречисление (3 опций)

Output resolution tier: 1K, 1.5K or 2K.

Значение по умолчанию1K
Выходной форматПеречисление (2 опций)

Format of the output image.

Значение по умолчаниюpng
BackgroundПеречисление (3 опций)

auto (default), transparent (alpha channel, forces png) or opaque.

Значение по умолчаниюauto
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Руководство по внедрению

Документация разработчика

How to Use the Seedream 5.5 API

  1. Write a descriptive prompt covering subject, lighting, composition and any text to render.

  2. Pick an aspect ratio from 1:1, 4:3, 3:4, 16:9, 9:16, 2:3, 3:2 or 21:9.

  3. Choose resolution 1K, 1.5K or 2K, an output_format of png or jpeg, and set background to transparent for cut-outs (requires png).

  4. Submit and poll the request_id for the result.

curl -X POST https://api.muapi.ai/api/v1/seedream-5.5 \
  -H "x-api-key: $MUAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"prompt":"A frosted glass serum bottle on wet travertine stone, soft morning light","aspect_ratio":"4:5","resolution":"2K"}'
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Общие вопросы

Часто задаваемые

What is Seedream 5.5?

Seedream 5.5 is ByteDance's image generation model with improved photographic realism, aesthetics, native transparent-background output and 1K, 1.5K and 2K tiers.

How much does the Seedream 5.5 API cost?

$0.02 per image at 1K and 1.5K and $0.035 at 2K. Pay per generation with no subscription.

Which aspect ratios are supported?

Eight ratios: 1:1, 4:3, 3:4, 16:9, 9:16, 2:3, 3:2 and 21:9, set with `aspect_ratio`.

Can it output a transparent background?

Yes. Set `background` to `transparent` with `output_format` png to receive an image with an alpha channel.

Does Seedream 5.5 support a spicy mode?

The Seedream 5.5 API applies standard content-safety moderation, so explicit adult output is not guaranteed and prompts that trigger the filter are rejected and refunded. If you need a less restricted tier for mature creative work, see the Spicy models on Muapi, such as [Seedance 2.5 Spicy](/seedance-2.5-spicy) for video.

How do I get the result?

Requests are asynchronous: submit a job, then poll the returned `request_id` or pass a `webhook` URL to be notified on completion.

Is there a sandbox for testing?

Yes. Sandbox API keys return mock results instantly with no credits deducted.