seed-1.6-flashSeed 1.6 Flash is an ultra-fast multimodal deep-thinking model by ByteDance Seed, supporting both text and visual understanding, with a 256k context window and up to 16k tokens of output generation.
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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="seed-1.6-flash", 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="seed-1.6-flash",# messages=[{"role": "user", "content": "Hello!"}],# extra_body={"compression": {"enabled": True, "model": "gpt-4.1-mini"}}# )modelmessagesmax_tokenstemperaturetop_pstreamtoolsreasoning_effortstream_optionsthinkingextra_bodyUse 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-3.0-T2I-250415 is ByteDance's advanced text-to-image (T2I) generation model, designed to deliver high-quality visual outputs with strong prompt alignment and fast inference performance. It supports detailed scene composition, rich stylistic control, and high-fidelity rendering across a wide range of creative use cases. Optimized for production deployment, Seedream 3.0 balances visual quality, generation speed, and cost efficiency, making it well suited for creative content generation, design workflows, marketing assets, and interactive image-based applications.
Seedream 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.
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.
Initialized observational baseline with no recorded failures