Moonshot

Kimi-k3 是一款大上下文语言模型，支持扩展输入窗口，适用于深度文档分析和长篇幅推理。它擅长从长篇文本中提取洞见、跨文档综合信息，以及处理复杂的多步骤任务。非常适合研究辅助、法律文档审阅和技术分析。

StepFun's flagship model for agentic work, delivering frontier-level performance on software engineering and professional knowledge work with particular strength in finance. Natively understands text, images, and video within a 1M token context window and returns up to 64K tokens per response, with low, medium, and high reasoning effort available. Built on a sparse mixture-of-experts design with 600B total parameters and 27B active, it suits workloads that need large amounts of input, repeated tool calls, and steady progress toward a finished deliverable.