阶跃星辰发布开源基座模型Step3.5Flash，专为智能体场景设计，具备强大推理能力和极速响应，旨在成为更聪明、稳定且成本可控的“Agent大脑”。该轻量化模型在推理速度上表现突出，最高可达350TPS，尤其在代码任务中优势显著。
阶跃星辰获超50亿元B+轮融资，创国内大模型赛道近一年单笔融资纪录，由上国投先导基金、国寿股权等领投，腾讯、五源资本跟投，在行业寻求IPO的关键期实现突围。
上海阶跃星辰完成超50亿元B+轮融资，创国内大模型领域近一年单笔融资纪录。本轮融资由多家顶级产业投资机构参与，显示国产大模型竞争进入资本与人才双重加码新阶段。
上海大模型独角兽阶跃星辰完成超50亿元B+轮融资，创近一年中国大模型赛道单笔融资纪录。资金将用于研发基座模型及推进“AI+终端”战略。原旷视科技创始人印奇加盟并出任董事长，负责公司战略制定。
冒泡鸭AI是由阶跃星辰开发的面向个人用户的AI互动平台
一个致力于提供有趣、有用、有挑战的AI交互体验的平台。
Stepfun
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Input tokens/M
Output tokens/M
Context Length
$1
$2
32
$38
$120
16
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