StepFun · @StepFun_ai · X·2026-09-22 10:59·52分钟前
AI 导读

阶跃星辰发布新旗舰模型 Step 5 Preview,在 Artificial Analysis Intelligence Index 得分 44,单任务成本 $0.71,与 Kimi K3 (max) 同分但成本约低 2.8 倍。

StepFun@StepFun_ai
62AI 编辑部评分,满分 100
2026-09-22 10:59· 52分钟前
AI 导读

阶跃星辰发布新旗舰模型 Step 5 Preview,在 Artificial Analysis Intelligence Index 得分 44,单任务成本 $0.71,与 Kimi K3 (max) 同分但成本约低 2.8 倍。

Step 5 Preview pushes our intelligence–cost Pareto frontier outward.

It comes in at 44 on the Artificial Analysis Intelligence Index, $0.71 per task.

Thanks @ArtificialAnlys for putting Step 5 Preview through the full evaluation.

More to come on Oct 15.

Artificial AnalysisStepFun's Step 5 Preview scores 44 on the Artificial Analysis Intelligence Index, matching Kimi K3 (max) at ~2.8x lower cost per task, but trails peers on agent...