MODEL PROOF

Nano Banana Pro (Gemini 3 Pro Image)

NOT INDEPENDENTLY RATED

No independent LMArena score is published for this model.

$4.50 / 1M tokens Balanced · 3 tokens in per 1 out

Reasoning tokens are billed separately.

Independent LMArena score
Not independently rated
Context window
131.07K
Maximum output
32.77K
Input modalities
image, text
Output modalities
image, text
Published input price
$2.00 / 1M tokens
Published output price
$12.00 / 1M tokens
Pricing kind
fixed

Inspect complete billing conditions and endpoint terms below.

Price from Google: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate.

Every price dimension · USD per million tokens
Input$2.00/M
Output$12.00/M
Cached input$0.200/M
Cache write$0.375/M
Cache write 1hUnknown/M
Reasoning$12.00/M
Web search$0.014/call

Reasoning tokens are billed separately at $12.00/M, on top of output. Its share of your bill depends on the reasoning tokens used.

Who sells it

The same weights, different shops. Cheapest is not like-for-like when serving precision differs.

2 provider offers · rates, limits and conditions

Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.

SellerInputOutputPrecisionUptime (1d)
Google AI Studiogoogle-ai-studio/global
Endpoint terms
Cached input /M
$0.200
Context limit
131,072 tokens
Output limit
32,768 tokens
Tools
Listed by endpoint
Reasoning
Listed by endpoint
Promotional discount
None reported
Uptime · last 30 minutes
Unknown
$2.00 $12.00 undeclared 99.89%
Googlegoogle-vertex/global
Endpoint terms
Cached input /M
$0.200
Context limit
65,536 tokens
Output limit
32,768 tokens
Tools
Not listed by endpoint
Reasoning
Listed by endpoint
Promotional discount
None reported
Uptime · last 30 minutes
100.00%
$2.00 $12.00 undeclared 99.88%

Independent scores

No independent benchmark has measured this model. Unrated is not a score of zero.

Capability

Context window131K
Max output32K
Input modesimage, text
Tool useyes
Reasoningalways on
Open weightsno

Provenance

Price sourceopenrouter.ai
Fetched2026-10-06
Quality dataunrated

People search Gemini 3 Pro image. This is the image-generation catalogue row, not a Gemini 3.1 Pro text SKU and not a Gemini 3.5 Pro.

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...

Questions this page answers

What does Nano Banana Pro (Gemini 3 Pro Image) cost?

$2.00/M in, $12.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.

Does Nano Banana Pro (Gemini 3 Pro Image) have an independent quality score?

Nano Banana Pro (Gemini 3 Pro Image) has no independent quality score in this catalogue. Unrated is not a score of zero.

What beats Nano Banana Pro (Gemini 3 Pro Image)?

Nano Banana Pro (Gemini 3 Pro Image) has no independent quality score. Unrated is not a score of zero.

Does this page use Artificial Analysis scores for Nano Banana Pro (Gemini 3 Pro Image)?

No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.

Does a missing score mean Nano Banana Pro (Gemini 3 Pro Image) scored zero?

Unrated is not a score of zero.

MODEL MONUMENT

Save or share this proof

Badge

The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.

Nano Banana Pro (Gemini 3 Pro Image) — Undominated.ai dominance verdict

Markdown
[![Nano Banana Pro (Gemini 3 Pro Image) — Undominated.ai dominance verdict](https://undominated.ai/badge/google__gemini-3-pro-image.svg)](https://undominated.ai/models/google__gemini-3-pro-image/)
HTML
<a href="https://undominated.ai/models/google__gemini-3-pro-image/"><img src="https://undominated.ai/badge/google__gemini-3-pro-image.svg" alt="Nano Banana Pro (Gemini 3 Pro Image) — Undominated.ai dominance verdict" height="36"></a>

Direct file: https://undominated.ai/badge/google__gemini-3-pro-image.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never older than the last deploy.

Evidence & Ask