StepFun
@StepFun_ai
Scale-up possibilities for everyone.
API Platform:
HuggingFace:
Joined February 2025
177 Following 16.5K Followers
Great to see Step 5 Preview delivering strong inference performance on NVIDIA GB300.
Looking forward to seeing what developers build with it.
Congrats to StepFun on Step 5 Preview 🙌 Their largest open weights release.
The 600B MoE model is built to handle agent tasks lasting up to 24 hours.
The model runs at nearly 8K tokens/sec/GPU on NVIDIA GB300 using NVFP4.
NVP4 checkpoint:
Deploy with @SGL_project - or @vLLM_project -
Post-train with NeMo Automodel:
Run it with NVIDIA NIM using a single command:
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