How big is Nano Banana 2 (Gemini 3.1 Flash Image Preview)'s context window?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) reads up to 66K tokens in one request, and writes back up to roughly 44,000 words at once.

What can Nano Banana 2 (Gemini 3.1 Flash Image Preview) handle?

It reads text and images and replies with text and images. It also supports replying in structured JSON, step-by-step reasoning and streaming its answer as it writes.

Can I use Nano Banana 2 (Gemini 3.1 Flash Image Preview) without an international bank card?

Yes. Top up your OpenDunes balance in dinars with a CIB or Edahabia card, then spend it on Nano Banana 2 (Gemini 3.1 Flash Image Preview) or any other model in the catalog from that same balance. No foreign card, no currency conversion, no subscription.

Who makes Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is built by Google, released on Feb 26, 2026. OpenDunes serves it unchanged — same model, same weights, billed in dinars.

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) — DA Pricing

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) — DA Pricing | OpenDunes

Where your request runs

You call one endpoint. Behind it, OpenDunes keeps every one of these live — if one degrades, the next takes the request without you changing a line.

Provider	In /M	Out /M	Cache /M	Latency	TPS	Uptime
Google AI Studio	162 DA	972 DA	—	—	—	100,0 %

Routed through the Bifrost gateway · prices in Algerian Dinars per 1M tokens · you’re charged the price of the endpoint that served your request.

What it costs

Everyday jobs, priced. Each request charges exactly what it uses — no subscription, no minimum.

Answer a quick question≈ 0,17 DA

Reply to a customer email≈ 0,44 DA

Read an invoice photo and pull out the total≈ 0,49 DA

Translate a full page of text≈ 0,55 DA

Write a one-page draft≈ 0,69 DA

Top up points

3 000 DA ≈ 4 409 typical replies · the exact charge appears after every request, down to the centime.

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 replies

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

{ "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

OpenAI-compatible — point any OpenAI SDK at our base URL and keep your code. Copy the request, or run it right here on your wallet.

EndpointPOST /v1/chat/completions

Base URL

https://opendunes.com/api/v1

Model id

google/gemini-3.1-flash-image-preview

Shell

curl https://opendunes.com/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENDUNES_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3.1-flash-image-preview",
    "messages": [{"role": "user", "content": "In one sentence: why is the sky blue?"}]
  }'

The same request, in your language

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

What it can do

Good for

Not for

Also supports

Where your request runs

What it costs

See it in action

Call it in code

Parameters you can send

Limits

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

How big is Nano Banana 2 (Gemini 3.1 Flash Image Preview)'s context window?

What can Nano Banana 2 (Gemini 3.1 Flash Image Preview) handle?

Can I use Nano Banana 2 (Gemini 3.1 Flash Image Preview) without an international bank card?

Who makes Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

Other Google models, priced in dinars

Google: Gemini 3.7 Flash

Google: Gemini 3.7 Flash (batch)

Google: Gemini 3.6 Flash

Google: Gemini 3.6 Flash (batch)

Google: Gemini 3.5 Flash Lite

Google: Gemini 3.5 Flash Lite (batch)

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)