A preview AI model from StepFun for hard jobs and AI agents.
Picture a school librarian with a million-page binder. Ten questions later, they find the right page. No dinosaur report.
It is built for long documents and Agents with many steps. Its weights are public for people to use and study.
Agent
It can power an Agent through hard work with many steps.
Transformer
It uses a 92-layer, narrow and deep Transformer design.
Context-window
Its one-million-token context can hold much longer material.
Open weights
Its model weights are public for people to run and study.