Nano Banana Pro (Gemini 3 Pro Image Preview)

google/gemini-3-pro-image-preview-20251120

Google's Nano Banana Pro (Gemini 3 Pro Image Preview) processes both text and image inputs and generates text and image outputs, supporting reasoning but not external tool use. It features a 65,536-token context window, is not open-weight, and is priced at $2 per million input tokens and $12 per million output tokens; it was released on 2025‑11‑20.

  • structured outputs
  • reasoning

At a glance

providergoogle
releasedNov 20, 2025
context66K
input / M$2

Specifications

What the API gives you

Context window
66K tokens
Max output
33K tokens
Input price
$2 / 1M tokens
Output price
$12 / 1M tokens
Cache read
$0.20 / 1M tokens
Modalities
image, text → image, text
Knowledge cutoff
—
Released
Nov 20, 2025

Benchmarks

No independent benchmark results are linked to this model yet. We keep it visible while withholding quality claims until usable results arrive.

Task evidence

How broad is the support?

Each status is exact to this model version and the selected task. Official release claims remain provisional.

  • Best LLM for Agentic CodingProvisional evidence

    Official release evidence found; independent confirmation is still missing from Design Arena Full-stack or Design Arena Web-apps.

  • Best LLM for OCR & DocumentsProvisional evidence

    Official release evidence found; independent confirmation is still missing from LMArena Document or LMArena Vision.

  • Best LLM for Frontend & UIProvisional evidence

    Official release evidence found; independent confirmation is still missing from Design Arena Coding or Design Arena UI.

  • Official release evidence found; independent confirmation is still missing from LiveBench Reasoning or LMArena Vision.

  • Official release evidence found; independent confirmation is still missing from LMArena Document or LMArena Vision.

Official release evidence · provisional

What the launch material actually says

Verbatim claims from the model provider. These help on launch day but do not count as independent confirmation.

Recommendation coverage

Where this model appears

Not currently included in a published recommendation. The task evidence panel above says exactly what is confirmed and what is still missing.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.