Google

Nano Banana 2

Best for high-quality images fast, clear text and reference edits.

Nano Banana 2 version
5 credits per image
A chrome espresso machine on a lemon-yellow plinth with a red cup, made with Nano Banana 2
Made in Phosphene with Nano Banana 2

What Nano Banana 2 is good at

Nano Banana 2 is the public name of Google’s Gemini 3.1 Flash Image. It produces Pro-level images at Flash speed, up to 4K. Phosphene also runs Nano Banana 2 Lite: the same generation, about twice as fast and at a lower credit price.

Strong at

  • Speed: a typical image is ready in about 6 seconds, Lite in about 3
  • Realistic photos and clean, legible text
  • Editing from reference photos
  • 4K output on the full model

Keep in mind

  • Lite is limited to 1K output; choose the full model for 2K or 4K
  • Ranks below GPT Image 2.5 and MAI-Image 2.6 on blind quality votes

Versions in Phosphene

  • Nano Banana 2

    Pro-quality images at Flash speed. 4K output, enhanced realism and text rendering.

    5 credits per image
  • Nano Banana 2 Lite

    Same generation as Nano Banana 2, about twice as fast and half the price.

    3 credits per image

Prices are per image at 1K and standard quality. Higher resolution costs more; the composer shows the exact price before you generate.

Questions about Nano Banana 2

How much does Nano Banana 2 cost in Phosphene?
Nano Banana 2: 5 credits per image. Nano Banana 2 Lite: 3 credits per image. Prices are for a 1K image at standard quality.
Is Nano Banana 2 the same as Gemini 3.1 Flash Image?
Yes. Nano Banana 2 is the public nickname for Google’s Gemini 3.1 Flash Image model.
Should I use Nano Banana 2 or Nano Banana 2 Lite?
Lite is the same generation, about twice as fast and cheaper per image, at 1K resolution. Pick the full model when you need 2K or 4K output.
Do I need a Google account or API key?
No. Phosphene runs the model for you and charges credits per image from your Phosphene balance.

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