As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/gemini-3-pro-image/

# Nano Banana Pro (Gemini 3 Pro Image)

Google DeepMind, Gemini Image family. Status: current. Type: image generation. Released: 2025-11-20.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Gemini API | `gemini-3-pro-image` | https://generativelanguage.googleapis.com/v1beta/models/gemini-3-pro-image:generateContent | https://ai.google.dev/gemini-api/docs/models/gemini-3-pro-image |
| Google Cloud Gemini Enterprise Agent Platform (Vertex AI) |  |  | https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/gemini/3-pro-image |
| OpenRouter | `google/gemini-3-pro-image` |  |  |
| Web app |  |  | https://gemini.google.com |

## Pricing

- Input: $2 per 1M tokens
- Output: $12 per 1M tokens
- Per 1K or 2K image: $0.134
- Per 4K image: $0.24
- Unit as published: per 1M tokens text/image input and text output; image output $120 per 1M tokens = $0.134 per 1K/2K image, $0.24 per 4K image
- Source: https://ai.google.dev/gemini-api/docs/pricing
- Last checked: 2026-09-29

## Specs

- Input: text, image
- Output: image, text
- Context window: 65,536 tokens
- Max output: 32,768 tokens
- Open weights: no
- Licence: proprietary

## Where it stands

- Newer image generation models in the registry since its release: 25. The 5 newest:
  - GPT Image 2.6 Flare (2026-11-04) https://postcutoff.com/m/gpt-image-2-6-flare/
  - GPT Image 2.6 Sunburst (2026-11-04) https://postcutoff.com/m/gpt-image-2-6-sunburst/
  - MOSS-Image (2026-10-16) https://postcutoff.com/m/moss-image/
  - FLUX 3 Image Klein (2026-10-15) https://postcutoff.com/m/flux-3-image-klein/
  - Krea 3 (Fast / High / Ultra modes) (2026-10-15) https://postcutoff.com/m/krea-3/
- Before it from Google: Nano Banana (Gemini 2.5 Flash Image) (2025-10-02) https://postcutoff.com/m/gemini-2-5-flash-image/
- After it from Google: Nano Banana 2 (Gemini 3.1 Flash Image) (2026-02-26) https://postcutoff.com/m/gemini-3-1-flash-image/
- Closed weights; access is hosted only.

## What stands out

- Accurate multilingual text in images: Correct, legible text rendering in many languages, fonts and calligraphy; suited to infographics and mockups. Source: https://blog.google/technology/ai/nano-banana-pro/
- Search-grounded visuals: Uses Google Search to visualize real-time info (weather, sports, recipes) and factual data visualizations. Source: https://blog.google/technology/ai/nano-banana-pro/
- Multi-image composition: Blends up to 14 images while keeping resemblance of up to 5 people; up to 4K with lighting/depth-of-field edits. Source: https://blog.google/technology/ai/nano-banana-pro/

## Notes

Launched 2025-11-20 as gemini-3-pro-image-preview (still on OpenRouter); stable id GA 2026-05-28. Highest-quality but priciest Gemini image model.

Studio-quality image generation built on Gemini 3 Pro reasoning; best for complex graphic design and text-heavy images.

```bash
curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-3-pro-image:generateContent" \
  -H "x-goog-api-key: $GEMINI_API_KEY" -H "Content-Type: application/json" \
  -d '{"contents":[{"parts":[{"text":"Infographic explaining photosynthesis, labeled"}]}]}'
```

Sources: [model page](https://ai.google.dev/gemini-api/docs/models/gemini-3-pro-image), [pricing](https://ai.google.dev/gemini-api/docs/pricing), [launch blog](https://blog.google/technology/ai/nano-banana-pro/).

Model page: https://postcutoff.com/m/gemini-3-pro-image/