@CyouSakura: stay tuned for more
Summary
StepFun 发布 Step 5 Preview 开放权重版本，采用稀疏 MoE 架构（600B 总参数、27B 激活参数），支持 100 万 token 上下文窗口及原生文本与视觉输入，面向长程智能体任务。
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Cached at: 10/16/26, 02:19 AM
stay tuned for more https://t.co/8pJSNbk0zC
StepFun (@StepFun_ai): Step 5 Preview is now open weights.
BF16 and FP8 weights are live on Hugging Face and ModelScope, together with our technical blog.
• Sparse MoE: 600B total, 27B active per token • 1M-token context window • Native text and vision input • Built for long-horizon agentic
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