opendunes

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

by GoogleReleased 26 February 2026

#4 for picturesThis is the preview version of Nano Banana 2, which generates and edits images from a written description and reference pictures and returns images with text. It holds about 65 pages of input, half of the released 3.1 Flash Image, so pick the released one for new work. For the most precise lettering, step up to Nano Banana Pro.

TakesTextImages
GivesTextImages

What it costs

You pay for what each request uses. No subscription, no minimum.

≈ 22,37 DA per image3 000 DA buys about 130 images

One image, the ordinary use

1 image× 22,37 DA22,37 DA
Total≈ 22,37 DA

Every rate

Meter↑ you send↓ comes back
Picture22,37 DA

per picture returned

Web search · 4,66 DA per call, under every choice

Make a product photo for a shop listing≈ 22,37 DA
Remove an object from a photo≈ 22,37 DA
Make a social post image≈ 22,37 DA
Turn a sketch into a finished image≈ 22,37 DA
Try four versions of an ad visual≈ 89,48 DA
When you pay
After the answer, from your balance. Nothing is held.
Why it varies
The size, and each reference picture.
After each one
The exact charge shows on the request.
DepositDeposits from 50 DA, with Edahabia or CIB.

Where your request runs

One company runs this model. OpenDunes sends every request to it.

Google AI Studio…
Per image
≈ 22,37 DA
Latency
…

↑ 166,42 DA · ↓ 998,51 DA per 1M text tokens

ProviderPer imageLatencyUptime
Google AI Studio≈ 22,37 DA↑ 166,42 DA · ↓ 998,51 DA per 1M text tokens……

Also billed, on the endpoint that serves by default: Web search 4,66 DA per search.

You pay the price of the provider that served your request. Prices read 15:19 · speed over the last 30 minutes · uptime over 3 days.

See it in action

Real requests, real replies. Try any of them yourself — one click, pre-filled.

Understands images
You send

What's the total on this invoice, and when is it due?

invoice-scan.jpg · photo
It replied

The total is 42 300,00 DA, due 5 September 2026. Worth a double-check: the handwritten day could read as 8 instead of 3.

Try in Chat Lab
Structured output
You send

Turn this customer email into JSON with intent, urgency and order_id.

customer-email.txt
It replied

{ "intent": "refund", "urgency": "high", "order_id": "OD-58421" }

Try in Chat Lab

Try your own request — same model, pre-selected.

Open Chat Lab

Call it in code

One HTTP call. Any language that can send JSON can call it.

POST /v1/images
Base URL
https://opendunes.com/v1
Model ID
google/gemini-3.1-flash-image-preview
import os, requests
BASE = "https://opendunes.com/v1"
KEY = os.environ["OPENDUNES_API_KEY"]
H = {"Authorization": f"Bearer {KEY}"}
resp = requests.post(f"{BASE}/images", headers=H, json={
    "model": "google/gemini-3.1-flash-image-preview",
    "prompt": "A clay tagine on a blue zellige table, morning light",
})
print(resp.json())
pip install requestsFull reference for this route

Runs this request once on your balance.

Parameters you can send

Standard OpenAI fields, grouped by what they control. Anything not listed is accepted and ignored.

Shaping the reply

How long, how varied, where to stop.

max_tokenstemperaturetop_pseed

Reasoning

Let it think before answering — and see the thinking.

reasoningreasoning_effortinclude_reasoning

Structured output

Get JSON you can parse instead of prose.

response_formatstructured_outputs

Questions about Nano Banana 2 (Gemini 3.1 Flash Image Preview)

  • How much does Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost in dinars?

    About 22,37 DA per image. ↓ 19 970,14 DA per 1M image tokens.

  • Is Nano Banana 2 (Gemini 3.1 Flash Image Preview) free? Can I try it?

    No. You pay per use from your balance, with no subscription. Try it in Chat at the same price.

  • What is Nano Banana 2 (Gemini 3.1 Flash Image Preview) best for?

    #4 for pictures · This is the preview version of Nano Banana 2, which generates and edits images from a written description and reference pictures and returns images with text. It holds about 65 pages of input, half of the released 3.1 Flash Image, so pick the released one for new work. For the most precise lettering, step up to Nano Banana Pro.

  • Nano Banana 2 (Gemini 3.1 Flash Image Preview) or Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

    Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs 11,19 DA less for the same image.

  • How do I pay for Nano Banana 2 (Gemini 3.1 Flash Image Preview) without an international card?

    Deposit dinars with your Edahabia or CIB card. Every model, Nano Banana 2 (Gemini 3.1 Flash Image Preview) included, is paid from that balance. No foreign card, no conversion.

  • Does Nano Banana 2 (Gemini 3.1 Flash Image Preview) work in Arabic, French or Darja?

    Google lists 101 languages the Gemini models understand and answer in, Arabic and French among them. Darja is not named.

  • Can it edit my photo?

    Yes. Up to 14 reference pictures in one request.

  • What sizes and formats does it make?

    1:1, 1:4, 1:8, 2:3, 3:2, 3:4, 4:1, 4:3, 4:5, 5:4, 8:1, 9:16, 16:9 and 21:9. Saved as: not stated.

  • Who makes Nano Banana 2 (Gemini 3.1 Flash Image Preview), and when was it released?

    Google. Released 26 February 2026. It knows the world up to January 2025.

Other Google models, priced in dinars

See all Google models
Gemini Omni 1.2 FlashGoogle · Nov 5, 2026

This model is designed to handle text, pictures, and video inputs, allowing it to read up to 130 pages of content. It specializes in generating and editing video clips, producing outputs that include both text and moving images. What sets this model apart is its native ability to process and generate video content directly. It is not suitable for tasks requiring external tool usage or the creation of structured data formats.

Searches the webThinks first130 pages at once
≈2,00 DAper message
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Gemini 3.8 Flash TTSGoogle · Sep 23, 2026

#1 for speech · Gemini 3.8 Flash TTS turns text into speech in 130+ languages with studio-grade acting, regional accents and a voice that stays consistent through long dialogues. It offers prebuilt voices, custom voice personas and voice replication, with about 8 pages of text per request. Pick it for audiobooks, narration and multi-speaker scenes.

30 voices
≈3,02 DAper paragraph read aloud
View model

Nano Banana 2, Google's 3.1 Flash Image model, generates and edits images from a written description and reference pictures, returning images with text. It outputs up to 4K, adds very tall and very wide shapes such as 1:8, and renders text in other languages better. Pick it for production batches of ads, banners and edits.

Up to 14 references4K
≈24,60 DAper image
View model
Gemini Omni 1.1 FlashGoogle · Nov 4, 2026

This model accepts text, pictures, and videos as input, allowing it to read up to 130 pages of content. It specializes in creating and editing video content, converting descriptions or pictures into moving images. A key feature is its ability to search the web for information while processing complex visual data. However, it does not utilize external tools or generate structured data formats.

Searches the webThinks first130 pages at once
≈2,00 DAper message
View model