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ModelCap

Nano Banana Pro (Gemini 3 Pro Image Preview)

API only

Google·google/gemini-3-pro-image-preview

Nano Banana Pro (Gemini 3 Pro Image Preview) is a image model published by Google. 2 OpenRouter endpoints are published in the latest snapshot. It accepts image, text input and returns image, text. The published context limit is 66K tokens. The catalogue declares support for reasoning, structured outputs.

Catalogue signals · Image board
14.3
Availability and deployment ordering · not a capability score
Market Gravity
22.2
Secondary market signal

Superseded by Nano Banana Pro (Gemini 3 Pro Image). It no longer holds a current-board position.

Input
—
no comparable token price
Output
—
media-unit price not published
Context
66K
tokens
Providers
2
endpoints
Gateway spend
—
latest · Vercel share

Providers

Uptime measured over the last 30 minutes
ProviderInputOutputContextQuantUptime
Google AI Studioglobal/flexCheapest——66K—100.0%
Google AI Studioglobal——66K—100.0%

Other versions (1)

Catalogue ordering · Image board

Methodology
14.3
Published availability and deployment signals · not capability
Public rank basis
Catalogue and deployment signals
Market and catalogue signals · order this category catalogue
Usage (OpenRouter popularity)
6.4
Liquidity (providers × uptime)
37.5
Open reach (HF downloads)
—
Surface (context / tools / modalities)
60.2
Freshness
37.1
  • · OpenRouter popularity #207
  • · 1 live provider
  • · Catalogue: context 65536, reasoning, modalities Image/Text
  • · First seen 2025-11-20

This category board uses only published catalogue and deployment facts. It does not infer media-generation quality or compare incompatible media-unit prices.

This is a discovery ordering, not a capability benchmark. Category-compatible public evaluation evidence must be added before ModelCap can publish a media-quality rank.

Deployment readiness

Metadata index
28.3
limited · 38% metadata coverage
Not capability
Artifact reproducibility
0.0
Access & legal clarity
30.3
Deployability
74.0
Evaluation provenance
0.0

Missing: artifactReproducibility.revision-sha, artifactReproducibility.architecture-and-model-type, artifactReproducibility.parameter-count, artifactReproducibility.serialized-weight-format, artifactReproducibility.base-lineage, accessLegalClarity.declared-license, accessLegalClarity.resolvable-license-terms, evaluationProvenance.admitted-evaluation-observations, evaluationProvenance.capability-family-breadth, evaluationProvenance.evaluation-source-diversity, evaluationProvenance.identity-and-source-confidence, evaluationProvenance.evaluation-dataset-revisions.

A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.

Market activity

Venue coverage
Market Gravity
22.2
OpenRouter weekly popularity
#207 of 298

Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.

Market Gravity breakdown

Usage55%
6.4

OpenRouter weekly popularity across the full model catalogue.

Liquidity25%
37.5

Independent providers versus the model's open or closed cohort, weighted by uptime.

Open reach15%
50.0

Hugging Face 30-day downloads for open models; neutral for closed models.

Freshness5%
37.1

Time since first public availability, on a six-month half-life.

Specification

Context window
66K tokens
Max output
33K tokens
Inputs
Image, Text
Outputs
Image, Text
Tokenizer
Gemini
First seen on OpenRouter
20 Nov 2025

Capabilities

  • Supported: Reasoning
  • Not supported: Tool use
  • Supported: Structured output
  • Supported: Response format
  • Not supported: Moderated