Nano Banana 2.1 4K AI Image Generation and Editing

Google image generation and editing with 1K to 4K output, extreme aspect ratios, and optional web search grounding.

Nano Banana 2.1 is Google's image generation and editing model. On Oakgen it offers 1K, 2K, and 4K output, 15 aspect ratios including 4:1, 1:4, 8:1, and 1:8, an adjustable thinking level, optional web search grounding, and up to 4 images per request. The edit variant accepts up to 10 reference images.

1. Text-to-image generation and reference-based editing
2. Resolution options for 1K, 2K, and 4K output
3. 15 aspect ratios including 4:1, 1:4, 8:1, and 1:8, plus auto
4. Adjustable thinking level: minimal, medium, or high
5. Optional web search grounding and an optional system prompt
6. Up to 4 images per request, and up to 10 reference images when editing

1. Open Nano Banana 2.1 in the image generator

   Use Oakgen's model link to open the image generator with Nano Banana 2.1 selected.

2. Write a clear visual prompt

   Describe the subject, scene, style, lighting, and output format you want. Turn on web search grounding when the image depends on current or real-world references.

3. Choose resolution, aspect ratio, and thinking level

   Pick 1K, 2K, or 4K and an aspect ratio for the placement, then raise the thinking level for more complex prompts. Add reference images to edit an existing picture.

curl -X POST https://api.oakgen.ai/v1/generate/image \
  -H "Authorization: Bearer $OAKGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nano-banana-2-1",
    "prompt": "A cinematic product photo of a ceramic espresso cup on a marble counter",
    "resolution": "2K"
  }'

Licensed through Google's commercial terms.

Permitted on paid Oakgen plans subject to Oakgen and provider usage policies.