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Seedream 4 Models
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Seedream v4 Edit
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Seedream v4 Edit API by ByteDance

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Open and Advanced Large-Scale Image Generative Models.

Seedream 4.0 – ByteDances allt-i-ett-modell för visuellt skapande

NYHET

Doubaos senaste generation av motor för bildskapande

Seedream 4.0 är ByteDances senaste generation av modell för bildskapande, positionerad som ett professionellt verktyg med "integrerad generering och redigering". Samma modell hanterar text-till-bild, bildredigering och flerbildsgenerering och gör din kreativa resa från inspiration till färdigt resultat mer effektiv och kontrollerbar.

Modellhöjdpunkter

Med fem kärnfunktioner: precis instruktionsredigering, hög egenskapsbevarande, djup avsiktsförståelse, flerbilds in-/utmatning och Ultra HD-upplösning. Täcker varierande kreativa scenarier och låter varje inspiration framträda i hög kvalitet på ett ögonblick.

Precisionsinstruktionsredigering

Beskriv bara dina behov i vardagligt språk för att exakt utföra tillägg, borttagning, ändring och ersättning. Lämpar sig för tillämpningar inom kommersiell design, konstnärligt skapande och underhållning.

Hög egenskapsbevarande

Karaktärskonsistens:Bevarar i hög grad karaktärens särdrag över olika kreativa stilar (illustration/3D/fotografi) och håller skapandet alltid kontrollerbart
Scenbevarande:Bevarar originalbildens detaljer i största möjliga mån – ingen oro för en "AI-oljig" känsla efter redigering, vilket möjliggör förlustfri redigering

Djup avsiktsförståelse

Kunskapsuppgradering:Experternas kunskapsbas tar textförståelsen till nästa nivå
Konkretisering av inspiration:Från abstrakt till konkret – förvandlar de mest "hejvilda" infallen till verklighet
Prediktivt resonemang:Starkare resonemangsförmåga som simulerar förutsägelser över tid och rum och gör det osynliga synligt
Adaptivt bildförhållande:När det är aktiverat matchas automatiskt det bästa bildförhållandet för din bild

Flerbilds in-/utmatning

Mata in flera bilder på en gång med stöd för komplexa redigeringsoperationer som kombination, överföring, ersättning och derivering, vilket möjliggör avancerad bildsyntes

Ultra HD-upplösning

Upplösningen uppgraderas igen med stöd för ultrahögupplöst utdata för professionell bildkvalitet

Användningsområden

🎨
Kommersiell design
🖼️
Konstnärlig skapande
📸
Fotoredigering
🎮
Speltillgångar
👤
Karaktärsdesign
🏗️
Arkitekturvisualisering
📱
Sociala medier
🎬
Film & animation

Prompt Examples & Creative Templates

Discover the power of Seedream 4.0 with these carefully crafted prompt examples. Each template showcases specific capabilities and helps you achieve professional results.

Perspective & Composition Control
Precision Editing

Perspective & Composition Control

Transform camera angles, adjust scene distance, and modify aspect ratios with precision
Prompt Template

Change the camera angle from eye-level to bird's-eye view, adjust the scene from close-up to medium shot, and convert the image aspect ratio to 16:9. Maintain all original elements and lighting while adapting the composition for the new perspective and format.

Mathematical Whiteboard Creation
Text & Formula Generation

Mathematical Whiteboard Creation

Generate clean whiteboard with precise mathematical formulas and equations
Prompt Template

Create a clean white whiteboard with the following mathematical equations written in clear, professional handwriting: E=mc², √(9)=3, and the quadratic formula (-b±√(b²-4ac))/2a. Use black or dark blue marker style, with proper spacing and mathematical notation.

Sketch to Reality Transformation
Deep Intent Understanding

Sketch to Reality Transformation

Transform rough sketches into detailed realistic objects - bringing wild imagination to life
Prompt Template

Based on this rough sketch, generate a vintage television set from the 1950s-60s era. Transform the abstract lines and shapes into a realistic, detailed old-style TV with wooden cabinet, rounded screen, control knobs, and period-appropriate design elements. Make the vague concept concrete and lifelike.

Lossless Detail Enhancement
High Feature Preservation

Lossless Detail Enhancement

Maximize original image detail retention, avoiding AI-generated artifacts for truly lossless editing
Prompt Template

Enhance this image while maximizing the preservation of original details. Avoid any AI-generated 'plastic' or 'oily' artifacts. Maintain authentic textures, natural lighting, and original image characteristics. Focus on clean, lossless enhancement that respects the source material's integrity.

Creative Font Styling
Text Transformation

Creative Font Styling

Transform plain text into artistic, creative typography while maintaining readability
Prompt Template

Transform all the text in this image into creative, artistic fonts. Replace the standard typography with stylized lettering that matches the image's aesthetic - use decorative fonts, calligraphy styles, or artistic text treatments. Maintain the same text content and layout while making the typography more visually appealing and creative.

Kärnfunktioner

Generering
Text-till-bild-skapande

Avancerad textförståelse och bildgenerering med stöd för olika konstnärliga stilar och professionella krav – från koncept till färdigt konstverk i ett enda steg.

Redigering
Intelligent bildredigering

Redigeringskommandon baserade på naturligt språk med stöd för objekttillägg/-borttagning, stilöverföring, bakgrundsersättning och mer komplexa redigeringsoperationer.

Syntés
Flerbildskomposition

Revolutionerande flerbildsinmatning som möjliggör komplex bildsyntes, stilöverföring och kreativa kombinationer med oöverträffad kontroll.

Varför välja Seedream 4.0?

🚀
Allt-i-ett-lösning
En enda modell hanterar generering, redigering och komposition – inget behov av att växla mellan olika verktyg
🎯
Professionell kvalitet
Kommersiell utdatakvalitet med exakt kontroll över varje detalj
🔄
Konsekvent stil
Bibehåller karaktärs- och stilkonsistens över flera genereringar och redigeringar

Tekniska Specifikationer

Modellarkitektur:Drivs av ByteDance Doubao AI
Kärnfunktioner:Generering + Redigering Integrerat
Upplösningsstöd:Ultra HD-utdata
Inmatningsstöd:Text, En-/Flerbilder
Utdataformat:PNG, JPEG, WebP
API-integration:RESTful API med SDK-stöd

Upplev kraften i Seedream 4.0

Slut dig till kreatörer över hela världen och revolutionera skapandet av visuellt innehåll med ByteDances mest avancerade integrerade bild-AI-modell.

Professionella verktyg
Blixtsnabbt
🌐Allt-i-ett-plattform

Seedream 4: A next-generation multimodal image generation system developed by ByteDance Seed

Model Card Overview

FieldDescription
Model NameSeedream 4
Developed byByteDance Seed Team
Release DateSeptember 9, 2025
Model TypeMultimodal Image Generation
Related LinksOfficial Website, Technical Report (arXiv), GitHub Organization (ByteDance-Seed)

Introduction

Seedream 4 is a powerful, efficient, and high-performance multimodal image generation system that unifies text-to-image (T2I) synthesis, image editing, and multi-image composition within a single, integrated framework. Engineered for scalability and efficiency, the model introduces a novel diffusion transformer (DiT) architecture combined with a powerful Variational Autoencoder (VAE). This design enables the fast generation of native high-resolution images up to 4K, while significantly reducing computational requirements compared to its predecessors.

The primary goal of Seedream 4 is to extend traditional T2I systems into a more interactive and multidimensional creative tool. It is designed to handle complex tasks involving precise image editing, in-context reasoning, and multi-image referencing, pushing the boundaries of generative AI for both creative and professional applications.

Key Features & Innovations

Seedream 4 introduces several key advancements in image generation technology:

  • Unified Multimodal Architecture: It integrates T2I generation, image editing, and multi-image composition into a single model, allowing for seamless transitions between different creative workflows.
  • Efficient and Scalable Design: The model features a highly efficient DiT backbone and a high-compression VAE, achieving over 10x inference acceleration compared to Seedream 3.0 while delivering superior performance. This architecture is hardware-friendly and easily scalable.
  • Ultra-Fast, High-Resolution Output: Seedream 4 can generate native high-resolution images (from 1K to 4K) in as little as 1.4 to 1.8 seconds for a 2K image, greatly enhancing user interaction and production efficiency.
  • Advanced Multimodal Capabilities: The model excels at complex tasks such as precise, instruction-based image editing, in-context reasoning, and generating new images by blending elements from multiple reference images.
  • Professional and Knowledge-Based Content Generation: Beyond artistic imagery, Seedream 4 can generate structured and knowledge-based content, including charts, mathematical formulas, and professional design materials, bridging the gap between creative expression and practical application.
  • Advanced Training and Acceleration: The model is pre-trained on billions of text-image pairs and utilizes a multi-stage post-training process (CT, SFT, RLHF) to enhance its capabilities. Inference is accelerated through a combination of adversarial distillation, quantization, and speculative decoding.

Model Architecture & Technical Details

Seedream 4's architecture is a significant leap forward, focusing on efficiency and power. The core components are a diffusion transformer (DiT) and a Variational Autoencoder (VAE).

  • Pre-training Data: Billions of text-image pairs, including a specialized pipeline for knowledge-related data like instructional images and formulas.
  • Training Strategy: A multi-stage approach, starting at a 512x512 resolution and fine-tuning at higher resolutions up to 4K.
  • Post-training: A joint multi-task process involving Continuing Training (CT), Supervised Fine-Tuning (SFT), and Reinforcement Learning from Human Feedback (RLHF) to enhance instruction following and alignment.
  • Inference Acceleration: A holistic system combining an adversarial learning framework, hardware-aware quantization (adaptive 4/8-bit), and speculative decoding.

Intended Use & Applications

Seedream 4 is designed for a wide range of creative and professional applications, moving beyond simple image generation to become a comprehensive visual content creation tool.

  • Creative Content Generation: Creating high-quality, artistic images, illustrations, and concept art from text prompts.
  • Advanced Image Editing: Performing complex edits on existing images using natural language instructions, such as adding or removing objects, changing styles, and modifying backgrounds.
  • Design and Marketing: Generating professional design materials, product mockups, and marketing visuals with precise control over text and branding elements.
  • Educational and Technical Content: Creating structured, knowledge-based visuals like diagrams, charts, and mathematical formulas for educational or technical documentation.
  • Multi-Image Composition: Blending elements from multiple source images to create new compositions, such as virtual try-ons for fashion or combining characters with new scenes.

Performance

Seedream 4 has demonstrated state-of-the-art performance on both internal and public benchmarks as of September 18, often outperforming other leading models in text-to-image and image editing tasks.

MagicBench (Internal Benchmark)

TaskPerformance Summary
Text-to-ImageAchieved high scores in prompt following, aesthetics, and text-rendering.
Single-Image EditingShowed a good balance between prompt following and alignment with the source image.

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