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Doubao Seedream 5

Per Request:$0.028
Released:Feb 23, 2026

Seedream 5.0 Lite is a unified multimodal image generation model endowed with deep thinking andonline search capabilities, featuring an all-round upgrade in its understanding, reasoning and generationcapabilities.

New
Commercial Use

What Is Seedream 5.0?

At its core, Seedream 5.0 is an advanced AI image generator developed by ByteDance capable of synthesizing high-quality visuals from natural-language prompts. It extends beyond basic text-to-image synthesis by including:

  • Real-time online search retrieval to ground visuals in current facts and trends.
  • Multistep reasoning and logical awareness, allowing complex scene instructions to be interpreted more precisely.
  • Precise editing and refinement, enabling region-specific updates without full regeneration.
  • Production-ready output suitable for commercial, enterprise and professional workflows.

Though itโ€™s currently offered in preview via platforms like CometAPI, this version is already positioned as a competitor to premium models such as Googleโ€™s Nano Banana Pro.

Technical Specifications of Seedream 5.0

SpecificationDetails
Model FamilyByteDance Seedream
Version5.0 (Preview/Beta)
Core FunctionText-to-Image + Editing + Reasoning
Output ResolutionNative 2K; up to 4K (4096ร—4096)
Real-Time SearchSupported (retrieval-augmented generation)
Editing SupportTargeted region editing, reference-based refinement
ReasoningLogical and multi-step instruction comprehension
StrengthsSemantic understanding, logic, web-awareness
LimitationsPreview status, moderate trade-offs in polish vs. photorealism

Main Features of Seedream 5.0

โœ… Real-Time Web Search & Trend Awareness

Unlike most static generative models, Seedream 5.0 can retrieve up-to-date web information during generation, enabling imagery tied to current events, products or cultural topics.

๐ŸŽฏ Intelligent Reasoning

The model demonstrates multi-step reasoning, spatial awareness and contextual understanding that help in following complex instructions (e.g., relationships between objects, logical layouts).

โœ๏ธ Precise Image Editing

Users can specify region-specific edits without fully regenerating the entire image โ€” reducing iteration cost and improving workflow efficiency.

๐Ÿ–ผ๏ธ Production-Ready Output

Supports 2K and true 4K resolution outputs, suitable for commercial applications such as marketing assets, posters and brand visuals.

๐Ÿง  Semantic Prompt Understanding

The model improves comprehension of artistic instructions and complex descriptors, providing better alignment between prompt intent and final generation.

๐Ÿ› ๏ธ Bilingual Typography & Layout

Seedream 5.0 handles bilingual text (e.g., Chinese/English) and multi-line typography more reliably than many earlier models.


Benchmark Performance & Comparative Results

ModelStrong SuitWeakness
Seedream 5.0Intelligent web-aware generation; reasoning; editingPreview status; slightly less polished than some competitors
Nano Banana ProMaterial realism; texture fidelity; robust detailLacks web search / live data input
GPT Image 1.5Flexible quality/cost tiersLower resolution ceiling
Flux KleinCost-efficient and responsiveLess advanced reasoning

Summary: Seedream 5.0โ€™s unique offering is โ€œintelligenceโ€ โ€” its ability to incorporate current web knowledge and logical prompt understanding โ€” whereas other models prioritize purely aesthetic or photorealistic quality.

In hands-on comparisons, Seedream 5.0 demonstrates strong cinematic and atmospheric flair, whereas Nano Banana Pro often edges ahead in material fidelity and physical realism โ€” with neither model universally dominating across all tasks.

Comparison with Other Contemporary Models

Seedream 5.0 vs Nano Banana Pro

  • Web Awareness: Seedream 5.0 supports real-time web search retrieval. Nano Banana Pro does not.
  • Resolution: Both support high-resolution sources up to 4K.
  • Creative Reasoning: Seedream excels in logical prompt understanding; Nano Banana Pro excels in physically detailed outputs.
  • Typical Workflow: Seedream favors structured brand content and knowledge-anchored visuals; Nano Banana Pro suits high-detail realistic art generation.

Seedream 5.0 vs GPT Image & Flux Models

  • Seedream prioritizes intelligence and editing control at the cost of latency; GPT Image and Flux models emphasize broad accessibility and price.

Representative use cases

  • Eโ€‘commerce & catalogs: Generate consistent product shots and variants across colors/angles with minimal post-processing.
  • Advertising & marketing: Create billboardโ€‘quality, print-ready visuals and hero imagery at 4K resolution.
  • Editorial & news illustrations: Use web-grounding to create current-event-aware illustrations or stylized explainers with topical accuracy.
  • Previsualization & concept art: Rapid iteration on cinematic compositions, lighting studies, and multi-panel sequences.
  • Image editing pipelines: High-quality inpainting, masked retouches, and multi-reference composition for character continuity.

How to access and integrate Doubao-Seedream 5.0

Step 1: Sign Up for API Key

Log in toย cometapi.com. If you are not our user yet, please register first. Sign into yourย CometAPI console. Get the access credential API key of the interface. Click โ€œAdd Tokenโ€ at the API token in the personal center, get the token key: sk-xxxxx and submit.

Step 2: Send Requests toย Doubao-Seedream 5.0ย proย API

Select the โ€œdoubao-seedream-5-0-260128โ€ endpoint to send the API request and set the request body. The request method and request body are obtained from our website API doc. Our website also provides Apifox test for your convenience. Replace <YOUR_API_KEY> with your actual CometAPI key from your account.ย Where to call it:ย bytedance-image-generation(seedream) and bytedance-Image Editing (seededit)

Insert your question or request into the content fieldโ€”this is what the model will respond to . Process the API response to get the generated answer.

Step 3: Retrieve and Verify Results

Process the API response to get the generated answer. After processing, the API responds with the task status and output data.

FAQ

Pricing for Doubao Seedream 5

Explore competitive pricing for Doubao Seedream 5, designed to fit various budgets and usage needs. Our flexible plans ensure you only pay for what you use, making it easy to scale as your requirements grow. Discover how Doubao Seedream 5 can enhance your projects while keeping costs manageable.

Comet Price (USD / M Tokens)Official Price (USD / M Tokens)Discount
Per Request:$0.028
Per Request:$0.035
-20%

Sample code and API for Doubao Seedream 5

Access comprehensive sample code and API resources for Doubao Seedream 5 to streamline your integration process. Our detailed documentation provides step-by-step guidance, helping you leverage the full potential of Doubao Seedream 5 in your projects.

#!/bin/bash
# Get your CometAPI key from https://api.cometapi.com/console/token
# Export it as: export COMETAPI_KEY="your-key-here"

curl -s https://api.cometapi.com/v1/images/generations \
  -H "Authorization: Bearer $COMETAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao-seedream-5-0-260128",
    "prompt": "Generate a series of 4 coherent illustrations focusing on the same corner of a courtyard across the four seasons, presented in a unified style that captures the unique colors, elements, and atmosphere of each season.",
    "size": "2K",
    "response_format": "url",
    "watermark": false,
    "sequential_image_generation": "auto",
    "sequential_image_generation_options": {
      "max_images": 4
    }
  }' | jq -r '.data[] | "URL: \(.url)"'

cURL Code Example

#!/bin/bash
# Get your CometAPI key from https://api.cometapi.com/console/token
# Export it as: export COMETAPI_KEY="your-key-here"

curl -s https://api.cometapi.com/v1/images/generations \
  -H "Authorization: Bearer $COMETAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao-seedream-5-0-260128",
    "prompt": "Generate a series of 4 coherent illustrations focusing on the same corner of a courtyard across the four seasons, presented in a unified style that captures the unique colors, elements, and atmosphere of each season.",
    "size": "2K",
    "response_format": "url",
    "watermark": false,
    "sequential_image_generation": "auto",
    "sequential_image_generation_options": {
      "max_images": 4
    }
  }' | jq -r '.data[] | "URL: \(.url)"'

Python Code Example

import os
import requests
import json

# Get your CometAPI key from https://api.cometapi.com/console/token, and paste it here
COMETAPI_KEY = os.environ.get("COMETAPI_KEY") or "<YOUR_COMETAPI_KEY>"
BASE_URL = "https://api.cometapi.com/v1"

headers = {
    "Authorization": f"Bearer {COMETAPI_KEY}",
    "Content-Type": "application/json",
}

payload = {
    "model": "doubao-seedream-5-0-260128",
    "prompt": "Generate a series of 4 coherent illustrations focusing on the same corner of a courtyard across the four seasons, presented in a unified style that captures the unique colors, elements, and atmosphere of each season.",
    "size": "2K",
    "response_format": "url",
    "watermark": False,
    "sequential_image_generation": "auto",
    "sequential_image_generation_options": {
        "max_images": 4
    },
}

response = requests.post(
    f"{BASE_URL}/images/generations", headers=headers, json=payload
)
result = response.json()

for image in result.get("data", []):
    print(f"URL: {image['url']}")

JavaScript Code Example

// Get your CometAPI key from https://api.cometapi.com/console/token, and paste it here
const api_key = process.env.COMETAPI_KEY || "<YOUR_COMETAPI_KEY>";
const base_url = "https://api.cometapi.com/v1";

const payload = {
  model: "doubao-seedream-5-0-260128",
  prompt: "Generate a series of 4 coherent illustrations focusing on the same corner of a courtyard across the four seasons, presented in a unified style that captures the unique colors, elements, and atmosphere of each season.",
  size: "2K",
  response_format: "url",
  watermark: false,
  sequential_image_generation: "auto",
  sequential_image_generation_options: {
    max_images: 4,
  },
};

const response = await fetch(`${base_url}/images/generations`, {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${api_key}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify(payload),
});

const result = await response.json();

for (const image of result.data) {
  console.log(`URL: ${image.url}`);
}