> ## Documentation Index
> Fetch the complete documentation index at: https://docs.apiyi.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Nano Banana Pro (gemini-3-pro-image-preview) 出现 50…

> Nano Banana Pro (gemini-3-pro-image-preview) 出现 503 报错，是谷歌官网正在高负载，非平台问题——我们的谷歌开发者账号与 KEY 运行一切正常。Nano Banana 2 (gemini-3.1-flash-image-previe…

**2026/4/21 15:37 (UTC+8)** · 模型状态 · Google

🌐 Nano Banana Pro (`gemini-3-pro-image-preview`) 出现 503 报错，是谷歌官网正在高负载，非平台问题——我们的谷歌开发者账号与 KEY 运行一切正常。Nano Banana 2 (`gemini-3.1-flash-image-preview`) 正常，建议先切换过渡或稍后重试。

```json theme={null}
{
  "status_code": 503,
  "error": {
    "message": "This model is currently experiencing high demand. Spikes in demand are usually temporary. Please try again later. (request id: 2026042115313222747473267703880)",
    "type": "shell_api_error",
    "code": 503
  }
}
```

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