AI Beginner · Image Creation · Google DeepMind

NanoBanana

“Best for images” — an all-purpose artist that even renders the text

📂 Image creation🆓 Free plan🇰🇷 Strong Korean support📊 Beginner
WHAT

What is NanoBanana?

NanoBanana is the nickname of Google DeepMind’s image generation and editing model, officially Gemini 3 Pro Image. Available in the Gemini app and Google AI Studio, it is strong at images that contain text, such as posters and diagrams.

  • 1Its nickname is NanoBanana; its official name is Gemini 3 Pro Image
  • 2Text inside images is crisp, so it works for card news and charts
  • 3Use it free in the Gemini app, but the free limit runs out quickly
A thirty-something poster designer who finishes the illustration and hand-letters the title too — someone who does the art and the lettering on a single sheet
An artist who produces a whole poster in one go — a character drawn by Nanum Consulting to capture NanoBanana’s personality.
WHY

What sets it apart

These are the differences we found by running the same material through several tools in our training sessions.

🔤

Text inside images is legible

The official introduction says it produces “clear text for posters and complex diagrams.” Because it handles multiple languages, placing a Korean title directly inside the image is now possible, and in some cases you no longer need to typeset card-news covers separately.

🧩

People in images stay consistent after edits

According to the official description, you can edit while keeping consistency for up to five people and fidelity for up to 14 objects. For edits like swapping only the background for a meeting room or adjusting the color tone, faces and products are less likely to change into something else.

🚪

Opens right where you already work

According to the official guidance, it is available in the Gemini app, Google AI Studio, and the Gemini API, and it has also been added to Workspace Slides, Vids, and Google Ads. There is no extra service to sign up for, which matters as much as performance when rolling it out across an organization.

⚖️ The weaknesses are clear, too

Past the free limit it drops to the previous-generation model, and images on the free and Pro tiers carry a Gemini sparkle mark (removed on Ultra only). Every image includes an invisible SynthID watermark, and the AI Studio free tier cannot use the image model.

💡 In plain English

Think of it less as an artist who only draws and more as an in-house designer who can also hand-letter the text that goes into the image.

🏢 Why it matters for organizations

Most internal announcements, card news, and report illustrations are "image + text." When the text breaks, the job goes back to a designer. Cutting that back-and-forth is where organizations feel the benefit first.

SCENE

Same job, different approach

You need a card-news cover for tomorrow morning's internal announcement

The old way

  1. Pick a similar photo from a free image site
  2. Nothing usable turns up, so you spend 30 minutes changing search terms
  3. Ask the designer, "Can you get this done by tomorrow morning?"
  4. Finish by adding just the title text in PowerPoint

With NanoBanana

  1. Describe the scene you want and the space to leave empty, and it generates the image
  2. In the same conversation, fix it with “Put the title at the upper left, in bold text”
  3. Fine-tune just the colors and aspect ratio a couple more times
  4. Do the layout in Miricanvas to meet the size specs
USE

Common uses

01

Card news and announcement backgrounds

Describe the scene, the colors, and the empty space for text in a sentence, and get a cover image. Realistically, it’s best used to cut down the time you spend searching photo sites.

02

Report illustrations and charts

Generate concept illustrations or step-by-step flow diagrams as images. For charts with numbers, always check by eye that the values are correct.

03

Product mockups and styled photos

Preview packaging and layout ideas as images before the actual shoot. When sending them to clients, it is safer to disclose that the images were made with AI.

FIT

Who it’s for

Best for

  • ✓PR and training managers who create card news and internal announcements themselves
  • ✓Anyone who often needs concept diagrams and illustrations for reports
  • ✓You already work in a Google account and don’t want to add more tools

Better served by other tools

  • –Anyone who needs brand-campaign-quality portrait photos
  • –Designers who need to turn out hundreds of images in the same art style
  • –Environments where data can’t leave the internal network
SECURITY

Can we use it at work?

The questions that adoption leads and security teams ask first.

Is my input used for training?Conversations on personal free accounts in the Gemini app may be used to improve the service, according to the official notice. If you’re creating images from company materials, it’s safer to use an organizational workspace account.
Business and team plansWork accounts are directed to Google Workspace and Gemini Enterprise, while development and automation are billed by Gemini API usage.
In every caseDo not upload unreleased product photos or photos showing customers’ faces. If you plan to swap or composite people’s faces, check your company policy first.

Please note: image generation limits by free and paid tier, and data handling terms, change often. Before adopting it company-wide, recheck the official terms and pricing pages.

START

10-minute quick start

  1. 1

    Go to gemini.google.com and sign in with your Google account. First check that it is your company account.

  2. 2

    Describe the scene you want the way you would normally say it, such as “Create an image of this scene,” and specify the aspect ratio and any empty space to leave.

  3. 3

    If you are not happy with the result, do not start over. Name only what to fix, for example “Leave the upper left empty.”

  4. 4

    For workflow automation or bulk generation, call the same model through Google AI Studio.

PROMPT

Copy-and-paste prompts

Replace only the [bracketed] parts, then paste it in.

Card news cover background
A Korean office worker in their 30s looking at a laptop by an office window. Morning sunlight, soft pastel tones, with the person on the right and the upper left kept empty for a title. Square 1:1, for a card-news cover.
Infographic for reports
An infographic explaining [topic]. Place the Korean title '[title]' clearly at the top, and below it lay out a 3-step flow from left to right. Use only two colors, navy and gray, in a 16:9 landscape format.
Product mockup
Make the [product name] packaging box look like a photo on a light gray studio background. Shot from the front, slightly above, with soft shadows. Put the text '[text]' clearly on the front of the box in Korean.
Training video thumbnail
A video thumbnail for [course topic]. A large, bold Korean title '[text]' on the left, and an illustration of a thoughtful office worker on the right. Strong contrast in yellow and black, 16:9 aspect ratio.
Retouch an existing photo
In the attached photo, keep the person and outfit exactly as they are and change only the background to a clean meeting room. Don’t touch the face, and make the lighting look natural, like indoor lighting.
RECIPE

Using it with other tools

Linking two or three tools changes your work more than any single tool does.

Source material → one card-news set (40 min)

1Use Claude to draft the copy and scene descriptions for 5 slides
2Create background images for each scene with NanoBanana
3Add the text and match the specs in Miricanvas

Research → presentation illustrations (30 min)

1Gather material with Gemini and verify the sources
2Create diagrams and illustrations with NanoBanana
3Drop the images into slides in Genspark to build the presentation
CAUTION

Before you start

  • Always verify the numbers and units in a chart against the source. A chart that looks right but is wrong is the most dangerous kind.
  • Do not upload customer faces or photos of unreleased products.
  • Output quality changes once you pass the free limit. For urgent work, check your limit first.
  • For external materials, it is safer to disclose that the image was made with AI.
PRICE

Pricing: personal use and work use

Plans that individuals pay for are different from plans that organizations contract for by member.

For individual use

Gemini app (free)
₩0

Limited number of uses; switches to the previous-generation model past the limit

Google AI Plus
KRW 7,500 (≈ US$6) per month

2x higher access to image, music, and video generation models, plus 400GB of storage

Google AI ProPlan to look at first
KRW 29,000 (≈ US$22)/month

4x higher access level, 5 TB storage

Google AI Ultra
From KRW 119,000 (≈ US$89) per monthStarting at 20TB of storage

20x higher usage limits

Using it at work

Gemini API · Nano Banana Pro(Gemini 3 Pro Image)
$0.134 per 1K/2K image$0.24 per 4K image

For workflow automation and bulk generation

Gemini API · Nano Banana 2(Gemini 3.1 Flash Image)
$0.067 per 1K image0.5K $0.045 · 2K $0.101 · 4K $0.151

Cheaper, faster tier

Gemini API · Nano Banana(Gemini 2.5 Flash Image)
$0.039 per image

Previous generation, up to 1024 px

Checked 21 Sep 2026 · Personal plan prices are the KRW amounts shown on the Google AI plans page when accessed from Korea. Prices for development and workflow automation are the per-image USD amounts on the official Gemini API pricing page. Prices change without notice, so check the official page before you pay. Google AI plans (Korea) ↗ · Official Gemini API pricing ↗

HONEST

Where NanoBanana falls short

We don’t just list the positives. Here is what fell short when we used it.

  • Korean text needs a second check

    Its crisp text is a strength, but Korean characters still tend to blur final consonants and strokes more than English does. For large text such as a poster title, zoom in to check it or overlay the text separately.

  • It does not tell you how many uses you have left

    There is a cap on free generations, but the screen doesn’t show how many are left. You only find out you’ve hit the limit when the results suddenly drop in quality while you’re in a hurry.

  • Editing a single spot is hard

    Everything looks right except one word, but asking for just that change can quietly alter the background color or the person’s pose too. You end up regenerating several versions and picking the best one.

COMPARE

Tools to compare

Related termsText-to-Image

FAQ

Yes. Free Gemini app users can use it up to a set number of times. Beyond that limit, it switches to the previous-generation model, as noted on the official blog, and paid plans raise the limit.
Yes. It understands instructions given in Korean, and the official introduction includes examples with Korean text placed in images. But the more text there is, the more typos creep in, so check the finished image by eye.
It is safer to use it with an organization-managed Google account. Every output carries an invisible SynthID watermark, and the Free and Pro tiers also add a visible mark, so for external materials, check your tier and whether the mark appears first.

Last updated 22 Sep 2026 · The ratings on this page come from John Kim, CEO of Nanum Consulting, who has used these tools firsthand in training and real work.

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