MODEL PROOF
Nano Banana Pro (Gemini 3 Pro Image Preview)
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
Reasoning tokens are billed separately.
- Independent LMArena score
- Not independently rated
- Context window
- 65.54K
- 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 AI Studio: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate.
Cheaper right now: $2.25/M at Google AI Studio — delivery tier (flex) It does not pass the like-for-like test, so it never sets a rank.
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 1h | Unknown/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.
| Seller | Input | Output | Precision | Uptime (1d) |
|---|---|---|---|---|
| Google AI Studiogoogle-ai-studio/global/flex Endpoint terms
| $1.00 | $6.00 | undeclared | 99.85% |
| Google AI Studiogoogle-ai-studio/global Endpoint terms
| $2.00 | $12.00 | undeclared | 99.89% |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Best rankings by task
- Imageediting #3 1254
- Graphicdesign #5 1253
- Image #5 1242
- Logo #6 1242
Per-task Elo and rank from Design Arena, via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.
Capability
| Context window | 65K |
|---|---|
| Max output | 32K |
| Input modes | image, text |
| Tool use | no |
| Reasoning | always on |
| Open weights | no |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-06 |
| Quality data | unrated |
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 Preview) 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 Preview) have an independent quality score?
Nano Banana Pro (Gemini 3 Pro Image Preview) has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats Nano Banana Pro (Gemini 3 Pro Image Preview)?
Nano Banana Pro (Gemini 3 Pro Image Preview) 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 Preview)?
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 Preview) scored zero?
Unrated is not a score of zero.
MODEL MONUMENT
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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.
[](https://undominated.ai/models/google__gemini-3-pro-image-preview/)<a href="https://undominated.ai/models/google__gemini-3-pro-image-preview/"><img src="https://undominated.ai/badge/google__gemini-3-pro-image-preview.svg" alt="Nano Banana Pro (Gemini 3 Pro Image Preview) — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/google__gemini-3-pro-image-preview.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
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