Nano Banana 2 (Gemini 3.1 Flash Image Preview)
by Googlegoogle/gemini-3.1-flash-image-preview
LLMCompare cannot run Nano Banana 2 (Gemini 3.1 Flash Image Preview) yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.
See the models that can be run nowNano Banana 2 (Gemini 3.1 Flash Image Preview) at a glance
- Maximum output
- 58,982 tokens
- Accepts
- Text, Image
- Returns
- Text, Image
- Features
- Image input
- Released
- 26 Feb 2026
- Knowledge cutoff
- Not published
Model facts synced from the OpenRouter model list on 21 Oct 2026.
Nano Banana 2 (Gemini 3.1 Flash Image Preview) pricing by route
A route is the service LLMCompare calls to reach the model. Nano Banana 2 (Gemini 3.1 Flash Image Preview) has 1 route. Prices are in US dollars.
| Route | On LLMCompare | Inputper 1M tokens | Outputper 1M tokens | Image outputper 1M image tokens | Price verified on | Source |
|---|---|---|---|---|---|---|
| OpenRouterDefault | Not configured | $0.50 | $3.00 | $60.00 | openrouter.ai/google/gemini-3.1-flash-image-preview |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs. The starting numbers are examples. Change them to match your task.
The provider reports this number for each image. It depends on size and quality.
- Cost per call
- $0.0601
- 73 credits
- Cost of 10 calls
- $0.601
- 730 credits
Calculated from the OpenRouter prices verified on 21 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
These are the parameters LLMCompare can set when it calls the model through OpenRouter.
| Parameter | Type | Range or options | Default |
|---|---|---|---|
size | One of | 1024x10241536x10241024x15362048x2048 | Provider default |
aspect_ratio | One of | 1:13:22:34:33:416:99:16 | Provider default |
About Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines...
Description as published for this model. LLMCompare has not edited it.
Models to compare with Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Image models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Input priceper 1M tokens | Image priceunit under each price | Accepts | Released | On LLMCompare |
|---|---|---|---|---|---|---|
Nano Banana 2 (Gemini 3.1 Flash Image)Googlegoogle/gemini-3.1-flash-image | $0.50 | $60.00per 1M image tokens | Text, Image | Runnable now | ||
Nano Banana 2.1Googlegoogle/gemini-nano-banana-2.1 | $1.50 | $30.00per 1M image tokens | Text, Image | No route yet | ||
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)Googlegoogle/gemini-3.1-flash-lite-image | $0.25 | $30.00per 1M image tokens | Text, Image | Runnable now | ||
Recraft V4 ProRecraftrecraft/recraft-v4-pro | — | $59.88per 1M image tokens | Text, Image | No route yet | ||
Recraft V4.1 Utility ProRecraftrecraft/recraft-v4.1-utility-pro | — | $50.30per 1M image tokens | Text, Image | No route yet | ||
Recraft V4.1 ProRecraftrecraft/recraft-v4.1-pro | — | $50.30per 1M image tokens | Text, Image | No route yet |
Questions about Nano Banana 2 (Gemini 3.1 Flash Image Preview)
- How much does Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost?
- On the OpenRouter route, Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs $60.00 per 1M image tokens, in US dollars. LLMCompare verified this price on 21 Oct 2026.
- What inputs does Nano Banana 2 (Gemini 3.1 Flash Image Preview) accept?
- Nano Banana 2 (Gemini 3.1 Flash Image Preview) accepts these inputs: Text, Image. Nano Banana 2 (Gemini 3.1 Flash Image Preview) returns: Text, Image.
- Can I test Nano Banana 2 (Gemini 3.1 Flash Image Preview) on my own data?
- Not yet. LLMCompare lists the prices and parameters of Nano Banana 2 (Gemini 3.1 Flash Image Preview), but no route to Nano Banana 2 (Gemini 3.1 Flash Image Preview) is configured on LLMCompare, so it cannot be selected for an evaluation.