logo
RunComfy
  • Models
  • ComfyUI
  • TrainerNew
  • API
  • Pricing
discord logo
MODELS
Explore
All Models
LIBRARY
Generations
MODEL APIS
API Docs
API Keys
ACCOUNT
Usage

Seedream 4.0 Free | Text to Image

bytedance/seedream-4-0/text-to-image

Generate sharp 4K images with multi-image fusion, precise text rendering, consistent styling, and flexible aspect ratios for professional design workflows.

The recommended length is no more than 600 English words. if the prompt is too long, the information may become scattered. The model might ignore details and only concentrate on the main points, resulting in a image with missing elements.
Idle
The rate is $0.03 per image.

Introduction to Seedream 4.0 Image Generation

Seedream 4.0, the latest image generation model officially released by Volcano Engine, marks a significant upgrade in creative technology. For the first time, seedream 4.0 supports 4K resolution and multi-modal generation, allowing for combined text and image input with enhanced coherent output across multi-image editing and fusion workflows.
Seedream 4.0's generation tool empowers designers, creators, and developers to effortlessly turn complex creative prompts into ultra-high-resolution visuals. With support for multi-image editing, reference-based generation, illustration-to-concept crafting, and intelligent image composition, seedream 4.0 creates precise, editable, and commercial-use-ready outputs with unmatched consistency and clarity.

Features of Seedream 4.0 for Creators

Multi-Image Input and Fusion Editing

Seedream 4.0 introduces powerful multi-image input and output capabilities, letting you combine, migrate, replace, and derive visual elements with ease. Unleash advanced compound editing through its intelligent fusion engine—perfect for creators needing scalable, multi-modal artwork. With seedream 4.0, push creative boundaries on complex synthesizing tasks while ensuring consistent subject design. Experience next-level image generation with seedream 4.0 and maximize your visual ideation.

Deep Intent Understanding through API

Seedream 4.0 features a breakthrough API that goes beyond Agent-level capability. It deeply understands vague, natural-language prompts—automating insertions, deletions, and replacements in your visuals. Whether you sketch poses or describe styles, seedream 4.0 translates your intent into precise visual outputs. Its intelligent design adapts aspect ratios and amounts, ensuring flow with scene-based prompts. Create professional-grade content faster with seedream 4.0’s smart generation tools.

4K Resolution and Text Accuracy for Business Use

Seedream 4.0 ensures performance that scales for enterprise-grade needs. With 4K ultra-HD output, tiny text accuracy, and reduced visual redundancy, this generation tool caters to brands prioritizing detail and efficiency. Seedream 4.0 optimizes textual clarity in visuals, solving common font rendering issues. Deliver high-resolution assets with seedream 4.0 that meet print-ready standards and commercial usage precision.

Seedream 4.0 on X: News and Insights

Seedream 4.0's YouTube Videos and Reviews

YouTube preview
YouTube preview

Related Playgrounds

flux-2/dev/edit

Advanced open-weight model enabling refined image transformation and consistent visual editing.

wan-2-2/text-to-image

Generate high quality images from text prompts with Wan 2.2 Plus.

qwen-image/qwen-image-edit-2511/lora

LoRA-based visual editing model offering structure-aware asset transformation for creative pros

gemini-3-pro-image-preview/edit

Generate studio-grade visuals with 4K clarity, creative control, and smart adaptive lighting

wan-2-6/text-to-image

Transform written ideas into brand-consistent visuals with precise style control.

reve/edit

Transform visuals with smart region edits and multi-image blending for precise, high-fidelity results.

Frequently Asked Questions

What is Seedream 4.0 and what can it do?

Seedream 4.0 is an advanced multimodal image generation model created by Volcano Engine, supporting 4K outputs and capable of complex tasks such as multi-image composition, style transfer, and precise edits using simple language prompts.

How does Seedream 4.0 differ from earlier versions or similar tools?

Seedream 4.0 significantly enhances image generation with 4K resolution, better text accuracy, and consistency in subject representation, setting it apart from both previous Seedream models and other image AI tools on the market.

Is Seedream 4.0 free to use, and how does the credit system work?

Seedream 4.0 offers new users a free trial or complimentary credits upon registration. Subsequent usage requires credits, with details on consumption provided in the 'Generation' section of the Runcomfy AI playground site.

What kind of input formats does Seedream 4.0 support?

Seedream 4.0 supports a flexible range of inputs, including text prompts, images, or a combination of both, enabling users to perform complex edits like reference-based generation, image blending, and compositional transformations.

Can I create 4K images with Seedream 4.0?

Yes, Seedream 4.0 offers ultra-high-definition image generation with outputs up to 4K resolution, giving users greater clarity and more creative flexibility for detailed post-editing.

Who should use Seedream 4.0, and what are the common use cases?

Seedream 4.0 is ideal for creatives, marketers, designers, and developers needing advanced image generation, including ad visuals, product concept art, character design, and customized illustrations.

Is Seedream 4.0 accessible on mobile platforms?

Yes, Seedream 4.0 can be accessed through the Runcomfy AI playground's website, which functions smoothly on mobile browsers for on-the-go creativity.

What are the limitations or caveats of using Seedream 4.0?

While Seedream 4.0 excels in multimodal generation, users may encounter occasional delivery delays or need to adapt prompt wording for best results. Credit consumption for high-resolution tasks may also vary.

How accurate is text rendering in images generated by Seedream 4.0?

Seedream 4.0 has optimized its text generation capabilities, with significantly improved accuracy especially for small fonts, and greatly reduced issues related to text repetition.

Where can I send feedback or bug reports for Seedream 4.0?

If you encounter issues or have suggestions to improve Seedream 4.0, you can reach out directly via email at hi@runcomfy.com to help shape future upgrades.

Follow us
  • LinkedIn
  • Facebook
  • Instagram
  • Twitter
Support
  • Discord
  • Email
  • System Status
  • Affiliate
Video Models/Tools
  • Wan 2.6
  • Wan 2.6 Text to Video
  • Veo 3.1 Fast Video Extend
  • Seedance Lite
  • Wan 2.2
  • Seedance 1.0 Pro Fast
  • View All Models →
Image Models
  • GPT Image 1.5 Image to Image
  • Flux 2 Max Edit
  • GPT Image 1.5 Text To Image
  • Gemini 3 Pro
  • seedream 4.0
  • Nano Banana Pro
  • View All Models →
Legal
  • Terms of Service
  • Privacy Policy
  • Cookie Policy
RunComfy
Copyright 2025 RunComfy. All Rights Reserved.

RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.

Video thumbnail
Loading...