MODEL PROOF
Nano Banana (Gemini 2.5 Flash Image)
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
Reasoning tokens are billed separately.
Lifecycle: date passed · 02 Oct 2026
- Independent LMArena score
- Not independently rated
- Context window
- 32.77K
- Maximum output
- 8.19K
- Input modalities
- image, text
- Output modalities
- image, text
- Published input price
- $0.300 / 1M tokens
- Published output price
- $2.50 / 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 | $0.300/M |
|---|---|
| Output | $2.50/M |
| Cached input | $0.030/M |
| Cache write | $0.083/M |
| Cache write 1h | Unknown/M |
| Reasoning | $2.50/M |
| Web search | $0.014/call |
Reasoning tokens are billed separately at $2.50/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.
1 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) |
|---|---|---|---|---|
| Googlegoogle-vertex/global Endpoint terms
| $0.300 | $2.50 | undeclared | 100.00% |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Best rankings by task
- Graphicdesign #10 1170
- Image #10 1185
- Logo #11 1170
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 | 32K |
|---|---|
| Max output | 8K |
| Input modes | image, text |
| Tool use | no |
| Reasoning | no |
| Knowledge cutoff | 2025-01-31 |
| Open weights | no |
Earliest possible retirement: 2026-10-02. The date has passed. An endpoint still served the model when its offers were read on 2026-10-06. Vendor notice, ai.google.dev, fetched 2026-09-30
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-06 |
| Quality data | unrated |
Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation,...
Questions this page answers
What does Nano Banana (Gemini 2.5 Flash Image) cost?
$0.300/M in, $2.50/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does Nano Banana (Gemini 2.5 Flash Image) have an independent quality score?
Nano Banana (Gemini 2.5 Flash Image) has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats Nano Banana (Gemini 2.5 Flash Image)?
Nano Banana (Gemini 2.5 Flash Image) has no independent quality score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for Nano Banana (Gemini 2.5 Flash 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 (Gemini 2.5 Flash Image) 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-2.5-flash-image/)<a href="https://undominated.ai/models/google__gemini-2.5-flash-image/"><img src="https://undominated.ai/badge/google__gemini-2.5-flash-image.svg" alt="Nano Banana (Gemini 2.5 Flash Image) — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/google__gemini-2.5-flash-image.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
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