NVIDIA
Explore
Models
Blueprints
GPUs
Docs
⌘KCtrl+K
Terms of Use
Privacy Policy
Your Privacy Choices
Contact

Copyright © 2026 NVIDIA Corporation

stepfun-ai

step-3.5-flash

200B open-source reasoning engine with sparse MoE powering frontier agentic AI.

Drop files here

step-3.5-flash

GOVERNING TERMS: This trial service is governed by the NVIDIA API Trial Terms of Service. Use of this model is governed by the NVIDIA Open Model License Agreement. Additional Information: Apache License, Version 2.0.