Gemini Nano Banana 2.1 | Gemini API | Google AI for Developers
Quick Answer
Gemini Nano Banana 2.1 is Google's latest image generation model, enhancing visual quality and efficiency over its predecessor, Nano Banana 2.
Quick Take
It supports multiple input types and maintains high-speed performance while improving prompt adherence and character consistency.
Key Points
- Supports inputs like text, images, videos, and PDFs.
- Delivers improvements in visual quality and prompt adherence.
- Maintains Flash-level speed and cost efficiency.
- Enhances multi-turn character consistency in outputs.
- Acts as a more efficient alternative to Gemini 3 Pro Image.
Article Excerpt
From source RSS / original summaryGemini Nano Banana 2.1 (`gemini-nano-banana-2.1`) is 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, and text rendering. It serves as the more efficient counterpart to Gemini 3 Pro Image (Nano Banana Pro).
`gemini-nano-banana-2.1`
Key updates: [...] Key updates:
`1K` `2K` `4K` `1K` `1:4` `4:1` `1:8` `8:1` `2K` `4K` `minimal` `medium` `high`
## Documentation
Visit the Image generation page for full coverage of features and capabilities.
## gemini-nano-banana-2.1 [...] `gemini-nano-banana-2.1`
Inputs
Text, Image, Video, and PDF
Output
Imag
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