Seedream 4.0 API - high-fidelity text-to-image generation and image edit API!

Powered by ByteDance, Seedream 4.0 API is the next-generation unified image generation and editing API. Generate photorealistic visuals up to 4K with PiAPI today!

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Seedream 4.0 sample image

See Seedream 4.0 API in Action

Seedream 4.0 API delivers exceptional quality with accurate rendering and high-precision edits via PiAPI.

Text-to-Image

Create any image from your description

Professional at laptop in soft morning light (photorealistic)
Prompt:
A young professional woman using a sleek AI laptop at a wooden desk near a window, soft morning sunlight illuminating her face, natural skin texture, realistic hands on keyboard, shallow depth of field, photorealistic detail, cozy atmosphere, cinematic color grading.
Futuristic city x mountains under auroras (ultra-wide)
Prompt:
A futuristic city skyline merging seamlessly with a serene mountain landscape under glowing auroras, blending natural and sci-fi elements in perfect harmony, intricate details, ultra-wide cinematic shot, 16:9 aspect ratio.
Designer arranging smartphone prototype (studio realism)
Prompt:
A designer arranging a new smartphone prototype on a studio table under soft spotlight lighting, reflections on the glossy surface, minimalist backdrop, detailed hands and product edges, high-fidelity studio realism. The smartphone screen displays the words 'Powered by PiAPI' in clean, futuristic typography, softly glowing under the studio light.

Image Edit

Edit your images with precision

Before
Before
After
After

Prompt: Add a pair of stylish, semi-transparent thin-rimmed glasses to the woman's face while keeping her natural expression, lighting, and hairstyle unchanged. Maintain photorealistic reflections on the lenses, preserve the warm indoor lighting, and ensure the glasses look naturally fitted to her face with accurate shadows and depth.

Try Seedream 4.0

Seedream 4.0 API Features

Visual Reasoning

Seedream API uses multistep thinking to produce outputs aligned with physical laws.

Real-time Search

ByteDance Seedream API accesses current news and topics to respond to time-sensitive generation needs.

World Knowledge

Seedream 4.0 AI API is equipped with rich world knowledge across technology and humanities domains.

Image editing

Seedream 4.0 API supports image editing tasks with reasoning based on instructions.

Precise Control

Seedream AI API adheres closely to prompts with precise control.

Multimodal Support

Seedream 4.0 supports multimodal input for image generation tasks and flexible workflows.

Enhanced Capabilities

Seedream 4.0 improves over previous models with stronger benchmark performance.

Seedream 4.0 API Pricing

Pay-as-you-go Option

Seedream 4.0 API - Text to Image

Pricing TBAstart with free credits upon sign up
  • high quality image generation

Seedream 4.0 API - Image Edit

Pricing TBAstart with free credits upon sign up
  • high quality image editing
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Want to know more about Seedream 4.0 API?

What is Seedream 4.0 API?

Released by ByteDance Seedream 4.0 is a unified image generation model that supports high-quality output and image editing. As the successor of Seedream 4.0, you can seamlessly integrate Seedream 4.0 into your applications and build powerful visual generation features with ease. PiAPI and build powerful visual generation features with ease.

Can I use multiple input images in one API request?

Yes, we support up to 10 reference images in one API request.

What output formats are available?

Seedream 4.0 supports high-fidelity image generation and editing outputs for production workflows.

Are there refunds?

No, we do not offer refunds. But when you first sign up for an account on PiAPI's Workspace, you will be given free credits to try our API before making payments!

How can I get in touch with your team?

Please email us at contact@piapi.ai - we'd love to talk more regarding our product offering!

Is there free access?

Yes! When you sign up on PiAPI, you will receive free credits to try most of our APIs without needing a credit card.