Nano Banana

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, edits, and multi-turn conversations. Aspect ratios can be controlled with the image_config API Parameter

google/gemini-2.5-flash-image

Organization: Google
Family: gemini-flash
Providers: 9
Context: 32,768
Output limit: 32,768
Knowledge: 2024-06
Release: 2025-08-26
Updated: 2025-08-26
Weights: Closed
Input: text, image
Output: text, image
Capabilities: Reasoning, Temperature

Providers

Compare every cataloged offer for this model, including its provider, route, token limits, price, and capabilities.

10 offers · USD per million tokens

Provider	Model ID	Context	Output	Input / output · 1M	Reasoning	Tools	Structured	Details
Abacus	gemini-2.5-flash-image	32,768	32,768	$0.30 / $30.00	Yes	No	—	View
AIHubMix	gemini-2.5-flash-image	32,768	32,768	$0.30 / $30.00	Yes	No	—	View
Eden AI	vertex/gemini-2.5-flash-image	32,768	32,768	$0.30 / $2.50	Yes	No	Yes	View
Eden AI	google/gemini-2.5-flash-image	32,768	32,768	$0.30 / $2.50	Yes	No	Yes	View
Google	gemini-2.5-flash-image	32,768	32,768	$0.30 / $30.00	Yes	No	—	View
Kilo Gateway	google/gemini-2.5-flash-image	32,768	8,192	$0.30 / $2.50	No	No	Yes	View
Merge Gateway	google/gemini-2.5-flash-image	32,768	32,768	$0.30 / $2.50	Yes	No	No	View
Googlevia OpenRouter	google/gemini-2.5-flash-image unknown	32,768	8,192	$0.30 / $2.50	No	No	Yes	View
Vercel AI Gateway	google/gemini-2.5-flash-image	32,768	65,535	$0.30 / $2.50	No	No	—	View
Vertex	gemini-2.5-flash-image	32,768	32,768	$0.30 / $30.00	No	No	—	View

Prices and limits apply to each offer. A dash means the value is not provided. OpenRouter offers show the hosting provider and routing channel separately.

Pricing

Compare token rates and cache charges across available routes and hosting configurations.

USD per million tokens

Input from$0.30Per 1M input tokens

Output from$2.50Per 1M output tokens

Available offers10Across 9 providers

Lowest listed input and output prices across the offers above; they may belong to different providers. These are base rates, before conditional pricing, discounts or additional fees.

Endpoint price comparisonLatest observed snapshot · 1 lowest-priced configuration

InputOutput

Googlegoogle-vertex/global

$0.30$2.50

google/gemini-2.5-flash-imageObserved Oct 4, 2026, 11:31 AM UTC

Input: $0.30
Output: $2.50
Cache read: $0.03
Cache write: $0.083333

Additional fees and pricing conditions

audio: $0.000001 / audio token
image: $0.0000003 / image
web search: $0.014 / search
image output: $0.00003 / image
input audio cache: $0.0000001 / audio token
internal reasoning: $0.0000025 / reasoning token

Hosting prices through OpenRouter All endpoints and cache rates

Endpoint	Input / 1M	Output / 1M	Cache read / 1M	Cache write / 1M
Googlegoogle-vertex/global	$0.30	$2.50	$0.03	$0.083333

Each row is a hosting configuration. Open an offer in Providers for its full pricing conditions and additional fees. Endpoint observations may differ from the routing catalog's base price.

Performance

Review reported latency and output-throughput percentiles from the latest observed rolling window.

Latest 30-minute observation

Time to first token · milliseconds

Latency distributionRolling 30-minute snapshot · 1 endpoint

P50P75P90P99

Googlegoogle-vertex/global

13,233–23,330.12 ms

All latency percentiles 1 endpoints

Endpoint	P50	P75	P90	P99
Googlegoogle-vertex/global	13,233 ms	15,709 ms	17,589.6 ms	23,330.12 ms

Output throughput · tokens per second

All throughput percentiles 1 endpoints

Endpoint	P50	P75	P90	P99
Googlegoogle-vertex/global	0 t/s	0 t/s	0 t/s	0 t/s

Percentiles describe the observed request distribution. These are snapshots of a rolling window, not a historical time series.

Uptime

Compare successful request rates across the latest 5-minute, 30-minute, and 24-hour observations.

Successful requests by window

Availability by endpointCurrent overlapping windows · 1 endpoint

Endpoint5 minutes30 minutes24 hours

Googlegoogle-vertex/globalObserved Oct 4, 2026, 11:31 AM UTC

100%

Reported by OpenRouter at the time of collection; rate-limited requests are excluded. A dash means no measurement was reported. This is not a live availability check.

Benchmarks

Review attributed evaluation results on each source's original scale.

External evaluations

google/gemini-2.5-flash-imageObserved Oct 4, 2026, 11:31 AM UTC

Design Arena	Category	Elo	Win rate	Rank
models	graphicdesign	1,170	56.9%	10
models	image	1,189	55.6%	10
models	logo	1,170	51.4%	11

Sources: Artificial Analysis and Design Arena, via OpenRouter. Scores retain their original scales and are not OpenAI Suite ratings.

Detailed evaluations

Evaluation	Configuration	Source	Results	Details
models · graphicdesign	Gemini 2.5 Flash Image (Nano Banana)google/gemini-2.5-flash-image	Design Arena	1,154 Elo	Details
models · graphicdesign	Gemini 2.5 Flash Image Gen (Nano Banana)google/gemini-2.5-flash-image	Design Arena	1,170 Elo	Details
models · logo	Gemini 2.5 Flash Image (Nano Banana)google/gemini-2.5-flash-image	Design Arena	1,170 Elo	Details
models · logo	Gemini 2.5 Flash Image Gen (Nano Banana)google/gemini-2.5-flash-image	Design Arena	1,166 Elo	Details
models · image	Gemini 2.5 Flash Image (Nano Banana)google/gemini-2.5-flash-image	Design Arena	1,181 Elo	Details
models · image	Gemini 2.5 Flash Image Gen (Nano Banana)google/gemini-2.5-flash-image	Design Arena	1,189 Elo	Details

Sources: Artificial Analysis, Design Arena and OpenRouter. Evaluation configurations and scales differ; results are not interchangeable. Updated Oct 4, 2026.

Technical details & API

Explore specifications, supported parameters, reasoning controls, and API identifiers for each OpenRouter route.

Current route specifications

google/gemini-2.5-flash-imageObserved Oct 4, 2026, 11:31 AM UTC

Context: 32,768
Maximum output: 8,192
Tokenizer: Gemini
Input: image, text
Output: image, text
Moderation: No
Knowledge cutoff: 2025-01-31
Added to OpenRouter: 2025-10-07

Base URLhttps://openrouter.ai/api/v1

Model IDgoogle/gemini-2.5-flash-image

Version IDgoogle/gemini-2.5-flash-image

Supported parameters

max_tokens
response_format
seed
stop
structured_outputs
temperature
top_p

Frequently asked questions

Answers based on the model metadata and serving offers currently in the catalog.

How much does Nano Banana cost?

Listed rates start at $0.30 per million input tokens and $2.50 per million output tokens. Prices vary by provider and configuration; see Pricing for details.

Which providers offer Nano Banana?

There are 10 cataloged offers across 9 providers. Compare model IDs, prices and limits in Providers.

What is the context window?

The cataloged model context is 32,768 tokens. Each serving endpoint may apply a different limit.

Does it support tools and structured output?

Tool calling: No. Structured output: Not reported. Support can vary by endpoint.

Catalog history · 2 recorded revisions

Metadata observations since this model was first cataloged. These are not model release versions.

Sep 14, 2026 · 238d02908c3c
Sep 12, 2026 · dcc8cdff1ede