> ## 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.

# gemini-3.1-pro-preview text/multimodal hits 503 high-demand on Google upstream

> gemini-3.1-pro-preview text and multimodal calls are returning 503 high-demand errors on Google upstream — 'This model is currently experiencing high demand. Spikes in demand are usually temporary. Please try again later.' Nano Banana Pro / Nano Banana 2 image generation is unaffected.

**2026/5/7 16:59 (UTC+8)** · Model Status · Google

⚠️ **gemini-3.1-pro-preview text/multimodal: 503 high-demand on Google upstream** — Heads-up: `gemini-3.1-pro-preview` text and multimodal calls are hitting 503 high-demand errors at the Google upstream, raw message `This model is currently experiencing high demand. Spikes in demand are usually temporary. Please try again later.`. This is a transient demand spike — retry after a brief wait or add backoff/retry to your client.

🎨 **Scope**: Only text/multimodal calls are affected by this upstream load. **Nano Banana Pro / Nano Banana 2 image generation is not affected** and continues to operate normally. We'll update this entry once the upstream recovers.

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