Google makes Gemini Nano Banana 2.1 generally available
Google released Gemini Nano Banana 2.1 (gemini-nano-banana-2.1) for general availability as an image generation and conversational editing model. It supports 1K, 2K, and 4K resolutions, including panoramic aspect ratios.
Models: Gemini Nano Banana 2.1
Source: Gemini API changelog, checked Oct 6, 2026. Summarized from the provider’s announcement.