**Open-weight models take 56% of token volume, Astra doubles Fable 5.1 spend**

> The September 2026 AI Gateway production index covering data from August 2026: Open-weight models took the majority of token volume for the first time ever; Fable loses two-thirds of its spend share and Opus 5 tripled its share AI Gateway Production Index — September 2026 Every month, AI Gateway routes tens of trillions of tokens between production applications and AI labs. That traffic gives us a view of what AI usa...

**来源信息**
- **来源**：Hacker News：AI 热帖
- **分类**：ai-products
- **发布时间**：2026-09-19 01:13（北京时间）
- **原文**：[打开原文](https://vercel.com/blog/ai-gateway-production-index-september-2026)