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October 6, 2026 · Google Gemini APIGA

Gemini Nano Banana 2.1 generally available; gemini-3.1-flash-image deprecated

  • Gemini Nano Banana 2.1 generally available (GA) : Released Gemini Nano Banana 2.1 (gemini-nano-banana-2.1), the latest high-efficiency image generation and conversational editing model. 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.

    See the Image generation guide to get started.
  • Deprecation announcement : The gemini-3.1-flash-image model is deprecated (no shutdown date announced). Migrate to gemini-nano-banana-2.1.
Read the Google Gemini API changelog
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