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Seedream 5.5: Generador de imágenes con IA

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.

Controles interactivos del modelo

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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Descripción general

Acerca de este modelo

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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Precios y tarifas

Análisis de costes

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

Precios de pago por generación, no se requiere suscripción.

Fal.aiNo disponible

No dedicated Seedream 5.5 endpoint confirmed at this time.

ReplicateNo disponible

No dedicated Seedream 5.5 endpoint confirmed at this time.

** Los precios de competidores son estimaciones basadas en arquitecturas de modelos y niveles de uso similares.

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Especificaciones técnicas

Esquema de configuración

Promptstring

Text prompt describing the image to generate

Valor por defectoA 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
Relación de aspectoOpciones permitidas (8)

salidaimagenrelación de aspecto.

Valor por defecto1:1
ResoluciónOpciones permitidas (3)

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

Valor por defecto1K
Formato de salidaOpciones permitidas (2)

Format of the output image.

Valor por defectopng
BackgroundOpciones permitidas (3)

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

Valor por defectoauto
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Guía de integración

Documentación para desarrolladores

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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Preguntas frecuentes

Preguntas frecuentes

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.