Seed 1.6

Seed 1.6 is a general-purpose large model from the ByteDance Seed team designed to handle diverse reasoning and analytical workloads in a single interface. It accepts multiple input types and produces text outputs, making it suitable for workflows that mix document understanding with conversational or analytical responses. Third-party listings describe it as combining multimodal understanding with adaptive deep thinking, which lets it allocate reasoning effort based on task complexity rather than forcing a fixed inference depth.

Independent sources highlight a 262,144-token context window and explicit support for tool use alongside reasoning, positioning Seed 1.6 as a flexible choice for long-context analysis, multi-step problem solving, and agentic pipelines that call external functions. Some listings extend the input coverage to images and video, while others list text and image only, so teams planning video-driven use cases should verify modality support with the active endpoint. The model is positioned as a practical balance between broad general-purpose capability and the reasoning depth needed for complex queries.