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: