AI 导读
3/ 决定每个密钥是在 OpenRouter 端点之前运行，还是仅作为 OpenRouter 额度耗尽后的回退。 优先层先使用你的额度，回退层仅在可靠性需要时才启用。
正文
3/ Decide whether each key runs before OpenRouter endpoints or only as fallback after your OpenRouter credits are exhausted.
The prioritized tier uses your credits first, the fallback tier only kicks in when reliability demands it.
来源：@OpenRouter · x.com