# Google DeepMind — Gemini Nano Banana 2.1 generally available (GA)

- Company: Google DeepMind (deepmind.google)
- Announced: 2026-10-06
- Category: model-update
- Coverage: not counted
- Announcement: yes
- Group: models
- Source: https://ai.google.dev/gemini-api/docs/changelog#10-06-2026
- Record: https://forck.live/items/23997-gemini-nano-banana-2-1-generally-available-ga
- Subject: Gemini API
- Models affected: Gemini Nano Banana 2.1, gemini-nano-banana-2.1, Nano Banana 2, gemini-3.1-flash-image

Google DeepMind has made Gemini Nano Banana 2.1 generally available, updating its high-efficiency image generation and conversational editing model. The new model keeps Flash-level speed and cost efficiency while improving visual quality, prompt adherence, multi-turn character consistency and text rendering. It also adds support for wide and panoramic aspect ratios (1:4, 4:1, 1:8, 8:1) across 1K, 2K and 4K resolutions. The model is available now through the Gemini API, with an image generation guide to help developers get started.

## Evidence

Verbatim from https://ai.google.dev/gemini-api/docs/changelog#10-06-2026:

> An update to Nano Banana 2 (gemini-3.1-flash-image), it maintains Flash-level speed and cost efficiency while delivering significant improvements in visual quality, prompt adherence, multi-turn character consistency, text rendering, and wide and panoramic aspect ratio generation (1:4, 4:1, 1:8, 8:1) across 1K, 2K, and 4K resolutions.

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