> ## Documentation Index
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# New NanoBananaReverse group · 20% off by default

> To ease the impact on the official direct relay of Nano Banana Pro / 2 during some peak windows, a reverse Vertex group NanoBananaReverse is added — 20% off the default group (0.8x multiplier), per-call billing regardless of resolution, supporting only Nano Banana Pro and 2, and compatible at the code level.

**2026/6/23 19:18 (UTC+8)** · New Model · Google

🚀 **New `NanoBananaReverse` group · 20% off the default group, usable as a peak-time fallback**

To ease the impact on the official direct relay of Nano Banana Pro / 2 during some peak windows, we've added the reverse-Vertex group `NanoBananaReverse` (0.8x multiplier, i.e. 20% off the default group's price). It supports only `gemini-3-pro-image` (Nano Banana Pro) and `gemini-3.1-flash-image` (Nano Banana 2), bills per call regardless of resolution, and is code-compatible with the default group.

Pricing examples (default → after 20% off, per call):

* Nano Banana Pro: \$0.072 → \$0.072 × 0.8 = \$0.0576 / call
* Nano Banana 2: \$0.055 → \$0.055 × 0.8 = \$0.044 / call

How to use: pick the `NanoBananaReverse` group when creating a token; or add this group to your existing Gemini image token as a fallback channel for peak windows.

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