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Nano Banana 2.1 is now on Callirra

Nano Banana 2.1 image generator — 1K to 4K, built for iteration

Generate and edit with Google’s Nano Banana 2.1 in one workspace. Get stronger prompt adherence, cleaner text, character consistency across edits, up to 14 reference images, and 1K–4K output with a price shown before you run.

Use Nano Banana 2.1 on Callirra

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Real Nano Banana 2.1 examples and exact prompts

Selected Callirra renders cover text, people, products, wide formats and reference edits. Open a card to see the prompt and settings; a new run may vary.

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Compare with GPT Image 2.5

Run the same prompt and references in GPT Image 2.5, then compare text, composition and editing control side by side.

Open GPT Image 2.5 →

See the image price comparison

Review the current Callirra, Google and OpenRouter reference rates before choosing a route.

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Nano Banana 2.1 from $0.03 per image

Choose 1K, 2K or 4K and see the exact credit quote before generation. The same balance works across Callirra image and video tools.

  • ✓1K from 3 credits
  • ✓2K from 5 credits
  • ✓4K from 7 credits
  • ✓Price shown before every run

Nano Banana 2.1 from $0.03 per image

1K

3 credits

1K from 3 credits

2K

5 credits

2K from 5 credits

4K

7 credits

4K from 7 credits

How it works

1. Write a prompt or add references

Start from text, then attach up to 14 images when you need identity, product or style consistency.

2. Choose output controls

Pick an aspect ratio, 1K/2K/4K resolution and JPG or PNG output before you run.

3. Compare and refine

Repeat the strongest direction by reusing the previous output as a reference image.

What is this for

Sharper text and layouts

Create legible labels, menus, diagrams and campaign graphics with better text rendering.

Consistent people and products

Use repeated image edits and reference images to keep up to four characters and ten objects coherent.

Wide and panoramic output

Build 1:4, 4:1, 1:8 and 8:1 compositions at 2K or 4K.

Reference-first editing

Upload an image, choose the output settings, and guide the next version with a focused prompt.

FAQ

What is Nano Banana 2.1?

It is Google’s high-efficiency image generation and image editing model, updated for stronger visual quality, prompt adherence, consistency and text rendering.

What resolutions are supported?

Nano Banana 2.1 supports 1K, 2K and 4K output. The generator shows the selected resolution and quote before launch.

How many reference images can I add?

The model supports up to 14 reference images. Google documents up to four character references and up to ten high-fidelity object references in one workflow.

Can I make follow-up edits?

Yes. Download or reuse the previous output as an image reference, then guide the next version with a new prompt.

Does it support text in images?

Yes. The model is designed for clearer text rendering and infographic layouts; review important copy before publishing.

Which aspect ratios are available?

Common portrait, landscape and panoramic ratios are supported, including 1:4, 4:1, 1:8, 8:1, 16:9 and 9:16 where the provider allows them.

How does the price compare?

Google’s Standard image-equivalent reference is about $0.0336 at 1K, $0.0504 at 2K and $0.113 at 4K. Callirra shows its current quote before each run.

Can I compare it with GPT Image 2.5?

Yes. Use the same prompt and references in the generator, then compare Nano Banana 2.1 with GPT Image 2.5 Flare or Sunburst from one credit balance.

Which image models are available?

Callirra brings GPT Image 2.5, Nano Banana, Seedream and other image cards into one prompt-first generator with one shared credit balance.

Do Seedream 5 Lite and Pro support NSFW options?

Yes. The generator shows the NSFW option when the selected Seedream 5 model supports it, so the control is visible before you generate.

Why are Nano Banana and GPT Image 2.5 attractive here?

They have especially low entry prices in Callirra, while GPT Image 2.5 also offers Flare and Sunburst styles, 1K–4K output and large reference sets.

How many reference images can I use?

GPT Image 2.5 supports up to 16 reference images per run. Prompt templates show the exact minimum needed, including templates that require two references.

Can I start at 1K and finish at 4K?

Yes. Choose the resolution and quality for each run, preview the exact credit quote, then move the winning concept to a higher tier.

Callirra is an independent platform. Model names and trademarks belong to their respective owners. Callirra is not affiliated with, endorsed by, or sponsored by the model creators listed on this site.

Put Nano Banana 2.1 into your daily image workflow

Open the generator, test a prompt with free credits, and keep the best direction in your Callirra library.

Try Nano Banana 2.1