Varosity

Nano Banana Pro (Gemini 3 Pro Image) API

Recommended photoreal image model and the successor to the deprecating Imagen 4 line — best-in-class photorealism, legible in-image text, and up to 4K.

$0.141/img on Varosity credits ($0.134/img with your own key).

Try Nano Banana Pro (Gemini 3 Pro Image) Get an API key

no google account needed · no subscription · failed renders never billed

Best for

  • best-in-class legible in-image text
  • multilingual text
  • reasoning-driven composition
  • up to 4K

Trade-offs

  • base64 only — no hosted URL
  • pricier than Imagen 4 Fast

Call it from your code

One Varosity key works for every model.

curl -X POST https://varosity.ai/api/v1/images \
  -H "Authorization: Bearer $VAROSITY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "studio product shot of a matte black water bottle, soft rim light",
    "modelId": "gemini-3-pro-image",
    "aspectRatio": "1:1"
  }'

Or ask your agent

Connect Claude, Cursor, or any MCP client to https://varosity.ai/api/mcp with your key, then say:

"Use Varosity with gemini-3-pro-image to generate an image of …"
Agent setup guide

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