Nano Banana Pro (Gemini 3 Pro Image)
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.
- Context window
- 65,536 tokens
- Max output
- 32,768 tokens
- Input
- text, image
- Output
- image, text
- License
- proprietary
- Pricing
- input: $2 · output: $12 · per image 1k 2k: $0.134 · per image 4k: $0.24 (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
- Verified
- 2026-09-29
How to call it
| Provider | Model id | Endpoint / URL | Docs |
|---|---|---|---|
| Gemini API | gemini-3-pro-image | https://generativelanguage.googleapis.com/v1beta/models/gemini-3-pro-image:generateContent | docs |
| Google Cloud Gemini Enterprise Agent Platform (Vertex AI) | — | — | docs |
| OpenRouter | google/gemini-3-pro-image | — | — |
| Web app | — | gemini.google.com | — |
Notable capabilities (3)
- Accurate multilingual text in images: Correct, legible text rendering in many languages, fonts and calligraphy; suited to infographics and mockups. source
- Search-grounded visuals: Uses Google Search to visualize real-time info (weather, sports, recipes) and factual data visualizations. source
- 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
Studio-quality image generation built on Gemini 3 Pro reasoning; best for complex graphic design and text-heavy images.
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, pricing, launch blog.
Other Google DeepMind models
Gemini 3.8 Flash TTS · Gemini 3.8 Live · Gemini 3.8 Flash · Gemini 3.5 Transcribe (and Transcribe Live) · Lyria 3.5 · Gemini 3.5 Flash-Lite · Nano Banana 2 Lite (Gemini 3.1 Flash-Lite Image) · Gemini Omni Flash (Omni 1.1 Flash) · Gemini Embedding 2 · Gemma 4 · Nano Banana 2 (Gemini 3.1 Flash Image) · Gemini Robotics 2 · Gemini Robotics ER 2 · Gemini Robotics On-Device 2 · Gemini 3.5 Live Translate · Gemini 3.1 Pro · Veo 3.1 · Genie 3 · Lyria RealTime · Gemini 3.7 Flash · Gemini 3.6 Flash · Gemini 3.5 Flash · Gemini 3.1 Flash TTS (preview) · Gemini 3.1 Flash Live (preview) · Lyria 3 (Clip / Pro) · Lyria 2 · Gemini 2.5 Flash Native Audio (Live, preview) · Gemini 2.5 Flash-Lite · Gemini 2.5 Flash · Gemini 2.5 Pro · Gemini 2.5 Flash TTS / Pro TTS · Gemini 3.1 Flash-Lite · Nano Banana (Gemini 2.5 Flash Image) · Gemini Robotics-ER 1.5 / 1.6 · Imagen 4