阶跃全量开放旗舰基座 Step5Preview，定位真实世界 Agentic 任务主力模型。它针对能力、效率、成本三角难题，采用稀疏 MoE 架构外推帕累托前沿。模型总参数达600B，每次激活更少参数以平衡性能与成本。
阶跃今日全量开放新一代旗舰基座Step5Preview，定位真实世界Agentic任务主力模型。它采用稀疏MoE架构，总参数600B，旨在破解能力、效率、成本三者相互拉扯的“帕累托题”：不是让取舍消失，而是以新设计把帕累托前沿整体外推，成为面向智能体任务的高效主力模型。
阶跃星辰发布旗舰基座模型Step5Preview，面向AI编程、软件工程、专业知识及金融等场景，提升Agentic任务表现并平衡智能、成本与效率。该模型在AA综合智能指数中跻身全球开源模型前三，单任务成本仅为Claude Opus5的1/8，采用稀疏MoE架构，计划10月15日正式开源。
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Openai
$2.8
Input tokens/M
$11.2
Output tokens/M
1k
Context Length
Google
$0.49
$2.1
Anthropic
$105
$525
200
$0.7
$7
$35
$17.5
$21
Alibaba
$4
$16
$6
$24
256
$2
$20
-
Moonshot
Xai
$1.4
$10.5
$1.6
128
$1.75
$14
400
$0.35
64
$0.63
$3.15
131
$15
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