Context Window
GooglefastVision

Nano Banana Pro (Gemini 3 Pro Image Preview)

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and high-fidelity visual synthesis. The model generates context-rich graphics, from infographics and diagrams to cinematic composites, and can incorporate real-time information via Search grounding. It offers industry-leading text rendering in images (including long passages and multilingu

66K context·~49K words·33K max output
View context detailsCompare with Gemma 7b It
Context window66Ktokens
Max output33Ktokens

Context window

This model accepts 66K tokens in one request (~49K words of text).

Context window size66K tokens
4K32K128K1M10M

What fits in one request

  • Short document
    About 1,500 words of text
    Fits
  • Long document
    About 37K words of text
    Fits
  • Small codebase
    About 150K words of text
    Won't fit
  • Full novel
    About 375K words of text
    Won't fit

Specifications

Context size, pricing, and release info in one place.

Context window
65,536 tokens (66K)
Max output tokens
32,768 tokens (33K)
Speed tier
fast
Provider
Google
Release date
Nov 2025

Capabilities

See which features this model supports, such as vision, tools, and streaming.

Supported (4)
Vision
Supported
Extended thinking
Supported
Streaming
Supported
Prompt caching
Supported
Not supported (4)
Tool use
Not supported
Function calling
Not supported
Web search
Not supported
Batch API
Not supported

Best for

Jump to a guide or ranking that matches each workload.

ReasoningMultimodalChatbots

Compare Nano Banana Pro (Gemini 3 Pro Image Preview)

Open a side-by-side comparison with one click.

Frequently asked questions

Short answers about context size and how this model behaves.

Nano Banana Pro (Gemini 3 Pro Image Preview) has a context window of 65K tokens (65,536 tokens). This is sufficient for most chat, summarization, and moderate document tasks.

More from Google

Other models by Google in our catalog.

Gemini Exp 1206
2.1Mfast
Databricks Gemini 2 5 Flash
Gemini 2
1.0Mfast
Databricks Gemini 2 5 Pro
Gemini 2
1.0Mfast
Gemini 2 0 Flash
Gemini 2
1.0Mfast
Gemini 2 0 Flash Lite
Gemini 2
1.0Mfast
Gemini 2.0 Flash Lite
Gemini 2
1.0Mfast

Powered by Mem0

Use a smaller model.
Get better results.

Mem0 gives your AI long-term memory so you stop re-sending context on every call. That means you can use a smaller, faster, cheaper model — and still get better answers.

Calculate your savingsLearn about Mem0

Example: a multi-turn chat session

Without Mem0~128K tokens sent
Full history
Repeated info
Old context
With Mem0~20K tokens sent
Key memories
Current turn

80% less to send — works with any model