#阶跃星辰
3 related articles

·1 min
Step 5 Preview by Stepfun Reaches the Artificial Analysis Pareto Frontier
Stepfun's Step 5 Preview LLM reportedly enters the Artificial Analysis Pareto frontier. We explain what this means for performance-cost tradeoffs and how to read benchmark signals rationally.
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Tech Frontiers·4 min
Step 3.5 Flash Deep Dive: How a 196B Parameter Open-Source Model Beat Gemini
Deep dive into StepFun's Step 3.5 Flash: 196B parameter MoE model activating only 11B, 350 tokens/sec coding speed, 256K context window, local deployment ready. How it beats Gemini 3 Flash.
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Product Reviews·3 min
Step Audio 2.5 In-Depth Review: How Does China's Voice AI Compare to GPT Realtime 2?
Hands-on comparison of StepFun's Step Audio 2.5 vs OpenAI GPT Realtime 2 across reasoning, role-playing, Chinese understanding, and API pricing for developers.
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