How much does the price differ by resolution on Gemini 3.1 Flash image?

Pricing for Gemini 3.1 Flash image varies by resolution and output size. Check your MixRoute console for current rates.

Can you use images from Gemini 3.1 Flash image commercially?

Yes. Images generated with Gemini 3.1 Flash image can be used commercially according to MixRoute’s terms of service.

Does Gemini 3.1 Flash image support editing an existing image?

Yes. Gemini 3.1 Flash image supports conversational image editing, allowing iterative refinement through natural language prompts.

How do you start calling Gemini 3.1 Flash image?

Set the model parameter to “gemini-3.1-flash-image” and use your MixRoute API key. Compatible with OpenAI SDK.

What is the rate limit for Gemini 3.1 Flash image?

Rate limits for Gemini 3.1 Flash image depend on your MixRoute plan tier. Check your console quota.

Can you call Gemini 3.1 Flash image with the OpenAI SDK you already use?

Yes. Gemini 3.1 Flash image is reachable through an OpenAI-compatible endpoint, so an existing OpenAI SDK client works after pointing the base URL at MixRoute and setting the model parameter to gemini-3.1-flash-image . Keep your current request and response handling.

How does Gemini 3.1 Flash image score on benchmarks?

Recorded results for Gemini 3.1 Flash image: aa_text_to_image 90.5; arena_text_to_image 69.1; aa_image_editing 85.5. Benchmark positions are a coarse filter only — run your own prompts against the candidate models before you commit, because ranking shifts with task shape and prompt style.

Model detail

Gemini 3.1 Flash image

Provided by Google

Pay-as-you-go

Gemini 3.1 Flash Image, 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 advanced contextual understanding with fast, cost-efficient inference, making complex image generation and iterative edits significantly more accessible. Aspect ratios can be controlled with the [image_config API Parameter

Model specs

Model ID: gemini-3.1-flash-image

Context length: 131.072K
Max output: 32.768K
I/O modalities
Released: 2026-06

API endpoints

One MixRoute gateway, OpenAI-compatible

Gemini /v1beta/models/{model}:generateContent POST
OpenAI-compatible /v1/chat/completions POST

Pricing

Flat rate, unit: /1M Tokens

Input

$0.5000 /1M Tokens

Completion

$3.0000 /1M Tokens

Image completion

$10.0000 /1M Tokens

Selection summary

Quickly judge whether it fits your workload

What is this model good for?

Image generation for high-efficiency image generation

Gemini 3.1 Flash image — Nano Banana 2 — high-quality image generation and conversational editing at mainstream price, optimized for speed.

What should you check before using it?

131,072 context, 32,768 output

Image Generation. Knowledge cutoff: 2025-01. Released 2026-02.

Why use it through MixRoute?

Available through MixRoute's OpenAI-compatible endpoint

Use the Google Gen AI SDK or call through MixRoute. Set the model parameter to "gemini-3.1-flash-image".

Capabilities & compatibility

Unconfirmed capabilities stay "Unknown," no guesses

Streaming

Gemini 3.1 Flash image supports streamed responses.

EX stream: true streams tokens incrementally, so chat UIs render as they arrive.

Vision input

Gemini 3.1 Flash image can process image inputs alongside text.

EX Pass a base64-encoded image in a image_url content part alongside text messages.

OpenAI SDK

Call Gemini 3.1 Flash image through MixRoute's OpenAI-compatible endpoint.

EX Change base_url to https://api.mixroute.ai/v1; everything else follows the OpenAI style.

Token cost estimator

Live estimate from this page's pricing, not an actual bill

Input tokens Max per request 131.072K

Output tokens Max per request 32.768K

Requests / month

Cache hit rate –

This model has no cache-read price; caching is not counted

FAQ

Gemini 3.1 Flash Image, 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.

Get started

01

Create an API key

Generate a key in the Console; one key calls every model.
02

Set the base URL

Fully OpenAI SDK-compatible; just swap the URL to connect.

https://api.mixroute.ai/v1
03

Specify the model ID

In the request's model field, enter:

gemini-3.1-flash-image

Create an API key

New users get $5 in free credits

Test this model and alternate routes with the same request format

Start from a real workload, then let quality, total cost, and failure conditions decide whether to send production traffic.

Create an API key View integration docs