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Favicon for google

Google: Nano Banana 2.1

google/gemini-nano-banana-2.1

BenchmarksCompare

Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization, mask- and ink-based editing, and factual accuracy, and renders photorealistic skin tones, detailed materials, lighting, and coherent backgrounds. It accepts text and image inputs, returns images with optional text, and supports 1K, 2K, and 4K output plus extended aspect ratios via the image_config API ParameterOpens in new tab.

Modalities
In / Out Price
$1.50 / $30per 1M
Context
66K
Released
Oct 6, 2026
BenchmarksCompare
PlaygroundProvidersPricingPerformanceUptimeAppsActivityFAQExplore

Playground

Providers

This model is hosted by one provider. OpenRouter forwards every request to it directly — no routing decisions to make.

Pricing

The average price customers actually pay for this model, next to the prices providers post. Caching and discounts mean the price actually paid is often well below the listed one.

Performance

Throughput is how fast the model writes (tokens per second — higher is better). Latency is total round-trip time (lower is better). TTFT is time-to-first-token — how long before you see anything appear (lower is better).

Uptime

Uptime is the percentage of the past 3 days that at least one provider was responding to requests. Availability is the percentage of time that inference was successfully served. OpenRouter continuously monitors and uses the next-best provider when one returns an error.

Apps

Public apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for.

Activity

Token volume and request traffic to this model over time.

API

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

Not currently available through EU in-region routing. In-region routing docs

Explore more models

AI Models with Vision: Multimodal LLMs for Image UnderstandingCollectionImage Generation ModelsCollectionAI Model RankingsRankingImage Model RankingsRanking
End-to-end latency
$1.50$30.00$7.5017.41s
99.92%
End-to-end latency
17.41s

P50, best provider

Uptime (3d)The model was reachable. Request routed to a provider.
100.00%
Availability (3d)The model returned inference from any provider. Errors and empty responses count against it.
97.51%

Availability over the last 3 days

Last 72 hours
Availability 97.51%
3 Days Ago2 Days AgoYesterdayNow

Availability over the last 24 hours

OpenRouter Availability
94.91%

When an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the Endpoints API. Learn more about our load balancing and provider routing options.

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Frequently asked questions

Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization, mask- and ink-based editing, and factual accuracy, and renders photorealistic skin tones, detailed materials, lighting, and coherent backgrounds.

Nano Banana 2.1 costs $1.50/M input tokens and $7.50/M output tokens, with separate rates for Image Output at $30.00/M tokens and Web Search at $14.00/1K calls.

Nano Banana 2.1 has a 65,536 token context window. It supports up to 65,536 completion tokens.

Yes. Nano Banana 2.1 accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

Nano Banana 2.1 accepts images and text as input and returns images and text. Up to 14 reference images can be attached to one request for image editing.

Gemini 4 Argon, Gemini 3.8 Flash, Gemini 3.7 Flash and 26 more are other text models from Google.

Nano Banana 2.1 was released on October 6, 2026.