AI Productivity Tools → Research · StepFun AI · Est. 2023
Trillion-parameter multimodal reasoning engine tackling complex logic and vision.
01 — Overview
StepFun emerged as one of the most technically ambitious AI labs by training massive Mixture-of-Experts (MoE) architectures with over a trillion parameters. Its Step-2 series matches proprietary Western frontier models in mathematical olympiad problems, legal analysis, and full-document reasoning.
Its multimodal systems can inspect dense engineering blueprints, solve collegiate math problems from messy whiteboard photos, and output structured JSON data without breaking context.
A technical powerhouse for raw computational horsepower and multimodal document inspection.
02 — Key features
Massive Mixture-of-Experts architecture tuned for complex logic deduction.
Parses charts, scientific graphs, and engineering schematics accurately.
Synthesizes dense research papers with structured section breakdowns.
03 — Honest take
04 — Plans & pricing
Free web access to explore model reasoning capabilities
Dedicated high-concurrency endpoints for corporate integrations
05 — FAQ