Step 5 Preview

Step 5 Preview by StepFun is an advanced model designed for complex computational tasks and extensive knowledge processing. Key capabilities include: * Code generation and software engineering * Financial research and analysis * Long-running task execution * Extensive context window for detailed information * Support for multiple deployment frameworks (vLLM, SGLang, Transformers) This powerful model features a sparse Mixture-of-Experts architecture with 600B total parameters, utilizing 27B active parameters per token. Its impressive 1M-token context window allows for processing vast amounts of information, making it suitable for intricate problem-solving across various domains. It excels in tasks requiring deep understanding and generation, such as software development, financial modeling, and complex agentic operations. Step 5 Preview is ideal for engineering teams, financial analysts, and researchers who require high-performance computational power for code development, market trend analysis, and autonomous task execution. It shifts the boundary of computational trade-offs, offering frontier-level performance for professional knowledge work and agentic applications. The model also supports vision input, enhancing its versatility.