阶跃星辰发布 Step 5 Preview，获 NVIDIA Day-0 支持

StepFun· @StepFun_ai · X·2026-10-15 21:00· 2 小时前AI 评分62

AI 导读

阶跃星辰宣布 Step 5 Preview 支持多种部署方式，可通过 vLLM 或 SGLang 提供 OpenAI 兼容 API，也可用 Transformers 离线推理，并适配多种芯片平台和推理框架。

正文

Run it your way:

• Serve an OpenAI-compatible API with vLLM or SGLang
• Run offline inference with Transformers
• Adapted for multiple chip platforms and inference frameworks

Day-0 support from @NVIDIAAI:
try it on https://build.nvidia.com/stepfun-ai/step-5-preview,
fine-tune with NeMo AutoModel https://github.com/NVIDIA-NeMo/Automodel/blob/main/docs/model-coverage/llm/stepfun-ai/step-5-preview.mdx,
deploy with model-free NIM https://catalog.ngc.nvidia.com/orgs/nim/nvidia/containers/vllm-model-free-nim-experimental,
and run on Blackwell.

Also available on Day 0 with @FireworksAI_HQ, @togethercompute, @modal, @DeepInfra and @FeatherlessAI.

来源：StepFun · x.com

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