# Mozilla 91 页报告：开放权重模型落后前沿约 4 个月，占 OpenRouter 约 20% 用量但仅约 4% 模型层收入

- 来源：Rohan Paul (@rohanpaul_ai)
- 发布时间：2026-09-17 13:43
- AIHOT 分数：64
- AIHOT 链接：https://aihot.news/items/cmu54udl00dojroqb161plumx
- 原文链接：https://x.com/rohanpaul_ai/status/2100460490342199651

## AI 摘要

Mozilla 发布 91 页报告称开放权重 AI 目前仅落后前沿约 4 个月。OpenRouter 上 8 月 token 量前十的模型有 8 个是开放权重。

## 正文

Open models were already taking ~20% of OpenRouter usage but only ~4% of model-layer revenue.

because closed models cost roughly 6× more, but at about 90% capability parity.

### 引用推文

> Rohan Paul：Mozilla just published a 91-page report and it says open-weight AI is now only about 4 months behind the frontier. - 8 of OpenRouter's 10 most-used models by Au...