Frontier is an AI intelligence stream that collects technology breakthroughs, investment news, and practical workflows from public sources.

How often is the content updated?

Sources are collected on continuous fast, medium, and slow schedules throughout the day.

What languages does Frontier support?

Frontier supports English and Simplified Chinese.

What types of AI news does Frontier cover?

Frontier covers three main categories: Tech (AI breakthroughs, research, and product launches), Investment (funding rounds, M&A, market movements), and Tips (practical AI tools and prompts).

AI情报2026年9月21日AI情报

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阶跃星辰发布Step 5 Preview开源模型，拥有270亿激活参数

StepFun已发布Step 5 Preview，这是一个拥有27 billion激活参数的开源模型。该模型在近期评估中跻身排名前二的开源模型之列，尽管其激活参数规模紧凑，仍展现出强劲性能。

Frontier 编辑部2026年9月21日来源: 量子位

来源简报

阶跃星辰发布Step 5 Preview开源模型，拥有270亿激活参数: StepFun已发布Step 5 Preview，这是一个拥有27 billion激活参数的开源模型。该模型在近期评估中跻身排名前二的开源模型之列，尽管其激活参数规模紧凑，仍展现出强劲性能。

AI模型开源模型阶跃星辰 Step 5 Preview 大语言模型查看本期

来源简报

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