美国头部 AI 支出企业 8 月人均成本下降近 10%
原标题：Top AI spenders cut per-employee costs by nearly 10 percent in August
AI 摘要
Ramp 发布的 2026 年 9 月 AI Index 显示，美国 AI 支出最高的企业 8 月人均 AI 支出中位数下降 9.7% 至 7205 美元。Ramp 首席经济学家 Ara Kharazian 认为部分下降源于 8 月工程师休假等季节性因素，同时代币价格下跌和向更便宜模型的迁移也在压低支出。每百万代币有效价格自 2026 年 3 月峰值已下跌 41% 至 0.68 美元，前沿模型（Opus、Fable、Sol）的代币消费份额从 8 月初的 53% 降至 9 月初的 45%，而开源权重模型采用率仍然很低。
正文节选
Top AI spenders cut per-employee costs by nearly 10 percent in August Ramp's AI Index for September 2026 shows falling per-employee AI spending among the highest-spending US companies, while usage shifts away from expensive frontier models toward cheaper alternatives. Financial services company Ramp tracks monthly US business spending on AI services through its AI Index. The September edition shows AI adoption still growing, but at a slower pace. The companies that spend the most on AI spent les