doubao-seedream-4-5-251128Seedream 4.5 is ByteDance's advanced AI image generation and editing model, representing a major evolution of the Seedream family. It delivers professional-grade visual quality with rich detail, improved spatial understanding, and cinematic rendering effects. Seedream 4.5 excels at understanding nuanced natural language prompts and generating consistent, high-fidelity outputs with enhanced lighting, depth, and texture. It supports complex workflows such as multi-image composition, fine typography and text rendering, and image-to-image editing with enhanced prompt interpretation.
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from openai import OpenAI client = OpenAI( api_key="YOUR_API_KEY", base_url="https://api.apertis.ai/v1") response = client.chat.completions.create( model="doubao-seedream-4-5-251128", messages=[ {"role": "user", "content": "Hello!"} ], max_tokens=1024, temperature=0.7) print(response.choices[0].message.content) # Optional: Enable context compression to reduce token usage# response = client.chat.completions.create(# model="doubao-seedream-4-5-251128",# messages=[{"role": "user", "content": "Hello!"}],# extra_body={"compression": {"enabled": True, "model": "gpt-4.1-mini"}}# )modelpromptsizequalityresponse_formatnstylebackgroundoutput_formatUse these namespaced identifiers in Cursor IDE to avoid conflicts with built-in models.
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Seed-2.0-Lite is a balanced model designed for high-frequency enterprise workloads, optimizing for both capability and cost efficiency. It surpasses the previous-generation Seed-1.8 in overall performance while maintaining stable, production-ready quality. The model supports long-context processing, multi-source information fusion, multi-step instruction execution, and high-fidelity structured outputs. It is well suited for enterprise scenarios such as unstructured data processing, content generation, search and recommendation, and data analysis, delivering reliable results while significantly reducing operational cost.
Seed-2.0-mini is designed for latency-sensitive, high-concurrency, and cost-sensitive deployments, prioritizing fast response times and flexible inference scalability. It delivers performance comparable to ByteDance-Seed-1.6 while offering improved efficiency for lightweight, production workloads. The model supports a 256K context window, four adjustable reasoning effort modes (minimal, low, medium, high), and multimodal understanding. Optimized for scenarios where speed, scalability, and cost efficiency are critical, Seed-2.0-mini is well suited for real-time applications and lightweight agent workflows.
Doubao-Seedream 5.0 Lite is ByteDance's optimized text-to-image generation model designed for fast, cost-efficient visual creation while retaining strong visual quality. It offers improved prompt understanding and rendering performance over previous "Lite" variants, making it suitable for real-time applications and interactive creative workflows. With a focus on speed, responsiveness, and lightweight deployment, Seedream 5.0-Lite enables rapid generation of visually appealing images across a wide range of styles and scenarios, making it ideal for user-facing creative tools and large-scale content pipelines.
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Seedream 4.0 is ByteDance's advanced text-to-image generation model, designed to deliver high-quality, visually rich outputs with strong prompt alignment and improved aesthetic control. It enhances spatial composition, lighting realism, and fine detail rendering compared to earlier versions in the Seedream series. Optimized for creative production workflows, Seedream 4.0 supports diverse artistic styles and complex scene generation, making it well suited for marketing assets, concept art, design iteration, and professional visual content creation.
Doubao-Seedream 5.0 Lite is ByteDance's optimized text-to-image generation model designed for fast, cost-efficient visual creation while retaining strong visual quality. It offers improved prompt understanding and rendering performance over previous "Lite" variants, making it suitable for real-time applications and interactive creative workflows. With a focus on speed, responsiveness, and lightweight deployment, Seedream 5.0-Lite enables rapid generation of visually appealing images across a wide range of styles and scenarios, making it ideal for user-facing creative tools and large-scale content pipelines.
Seed-2.0-mini is designed for latency-sensitive, high-concurrency, and cost-sensitive deployments, prioritizing fast response times and flexible inference scalability. It delivers performance comparable to ByteDance-Seed-1.6 while offering improved efficiency for lightweight, production workloads. The model supports a 256K context window, four adjustable reasoning effort modes (minimal, low, medium, high), and multimodal understanding. Optimized for scenarios where speed, scalability, and cost efficiency are critical, Seed-2.0-mini is well suited for real-time applications and lightweight agent workflows.
Seed 1.6 is a general-purpose multimodal model from the ByteDance Seed team, featuring adaptive deep thinking and a 256K context window.
Initialized observational baseline with no recorded failures