Nano Banana: How to Use Gemini’s AI Photo Editor in 2026
A step-by-step guide to editing photos with Nano Banana in the Gemini app, plus prompt templates and honest comparisons.
In September 2025, Google’s image editing tool inside the Gemini app went viral under an odd codename, “Nano Banana”, and sent the Gemini app to the top of the App Store, as reported by TechCrunch. The appeal was obvious: describe the edit you want in plain language, and the photo changes while the people, pets, and style in it stay consistent. This guide shows you exactly how to use Nano Banana in 2026, how to write prompts that work, and how it compares with ChatGPT image editing, Midjourney, and Photoshop’s Generative Fill.
Key takeaway: Nano Banana is the nickname for Google’s Gemini image model, built into the Gemini app and website. To use it, open a Gemini chat, upload a photo, and describe your edit in plain language, for example “remove the photobomber on the left”. It keeps faces and style consistent across edits, works on the free tier with limits, and is best for quick realistic photo edits rather than fully generated artwork.
What Nano Banana actually is
“Nano Banana” began as the internal codename for Gemini 2.5 Flash Image, Google’s native image generation and editing model. The name stuck, and most people still call it Nano Banana even though it now ships as part of the Gemini 4 generation of models.
What made it different from earlier editors is native multimodality. Older pipelines described your image in text, then generated a new one from that description, which is why faces drifted and details changed. Nano Banana processes the image and your words together, so it understands which pixels you mean and preserves everything else. That is why character consistency, keeping the same person recognisable across multiple edits, became its signature strength.
Access is straightforward. The editor lives inside the Gemini app on Android and iOS and on the Gemini website. There is no separate “Nano Banana” app to install, and if you can chat with Gemini, you can edit images. Free-tier users get a daily allowance of generations; paid plans under Google AI Pro, around $20 per month in the US, raise those limits and include the newest model versions first.
How to use Nano Banana: step by step
Here is the complete workflow, from opening the app to saving a finished edit.
- Open Gemini and start an image chat. Launch the Gemini app or visit the Gemini website and sign in with your Google account. Tap the image or plus icon to attach a photo from your camera roll, or simply type a prompt to generate an image from scratch.
- Upload the photo you want to edit. Use a reasonably high-resolution original; the model works best with clear, well-lit images. You can upload portraits, product shots, landscapes, screenshots, or scanned documents. Avoid images with heavy compression artefacts, which limit how clean the edit can look.
- Describe the edit in plain language. Write what you want as if briefing a patient designer. Good: “Change the background to a blurred beach at sunset, keep my face and the dog exactly the same.” Bad: “Make it better.” Name the object, the change, and what must not change.
- Review and iterate in the same chat. Each edit builds on the last, which is how you keep consistency. Ask for adjustments one at a time: “Now warm up the colours slightly” or “Make the crop a little tighter.” Small sequential edits beat one giant prompt.
- Save or share the result. Long-press or click the image to download it at full resolution. Google applies SynthID, an invisible watermark identifying AI-generated or AI-edited pixels, and many exports now carry C2PA Content Credentials noting the edit history, which is worth knowing before you publish commercially.
Writing prompts that actually work
Nano Banana responds best to concrete, specific instructions. These patterns cover most editing jobs.
Be specific about the change
Name the target, the action, and the desired look. “Remove the red car in the background and fill the space with the empty street” works far better than “clean up the background”. If you want a style shift, describe it precisely: “Convert this to a watercolour painting, soft edges, muted palette” rather than “make it artistic”.
Protect what you like
Explicitly state what must stay untouched. Phrases like “keep the same face, same lighting, same pose” or “do not change the text on the sign” prevent the model from “improving” things you wanted preserved. This matters most with portraits, where even small facial drift is immediately noticeable.
Iterate with small edits
Resist the urge to request five changes at once. Apply them sequentially and check each result, because a failed early edit compounds into later ones. If an edit goes wrong, say “revert to the previous version” or re-upload the earlier image rather than stacking corrections on a broken result.
Copy-paste prompt templates
- Object removal: “Remove [object] from [location] and fill the area naturally to match the surroundings.”
- Background swap: “Replace the background with [description], keep the subject, lighting, and shadows consistent.”
- Style transfer: “Restyle this photo as [style], preserving faces, composition, and key details.”
- Product cleanup: “Remove reflections and dust from this product photo, keep colours accurate, studio lighting.”
Nano Banana vs the alternatives
Every major AI platform now ships an image editor, and they optimise for different jobs. If you are comparing the best AI image generators for your workflow, this is how Nano Banana stacks up.
| Tool | Best for | Photo-editing consistency | Access and cost in 2026 |
|---|---|---|---|
| Nano Banana (Gemini) | Realistic edits to real photos with consistent faces | Excellent; native multimodal editing | Free tier with daily limits; higher limits on Google AI Pro (~$20/mo US) |
| ChatGPT image editing (GPT-5/6) | Creative transformations and stylised generations | Good, improving; strong at following complex instructions | Included with ChatGPT Plus and higher tiers |
| Midjourney v7/v8 | Artistic and aesthetic image generation | Weaker for editing real photos; built for generation | Subscription plans; Discord and web app |
| Photoshop Generative Fill (Adobe Firefly) | Professional retouching inside a real editor | Excellent, with layers and masking control | Creative Cloud subscription; Firefly credits included |
The short version: use Nano Banana when you want to change a real photo with a sentence. Use Midjourney when you want to create art from nothing. Use Photoshop when you need pixel-level control, layers, and print-ready output. ChatGPT’s editor sits in the middle, strongest when the edit needs reasoning, like “redesign this room in a Scandinavian style but keep the window where it is”.
Practical use cases that work well
Nano Banana shines on everyday editing jobs that used to require Photoshop skills. Removing tourists, bins, or photobombers from travel photos is the classic use, and the model fills backgrounds convincingly. Product sellers use it to clean up marketplace photos: neutral backgrounds, removed reflections, consistent lighting across a catalogue. Social media managers generate thumbnail variations from one shoot without reshooting.
It is also genuinely useful for restoration. Users report good results colourising and repairing old family photos, removing scratches and damage while keeping faces recognisable. Designers use it for quick mockups, dropping a logo or product into a lifestyle scene to test a concept before committing to a shoot. If you work with moving images too, pair it with one of the AI video generators to animate a still you just perfected.
Limits and things to watch
No tool is magic, and knowing the boundaries saves frustration. Fine text inside images still garbles occasionally, especially small signage or handwriting, so check any edited text at full zoom. Complex multi-person scenes can drift: faces in the background may subtly change between edits. Very high-resolution output has limits; Nano Banana is optimised for screen and social use rather than large-format print, where Photoshop remains the safer choice.
There are also policy boundaries. Like all of Google’s generative AI products, Nano Banana refuses to create deceptive imagery of real people in sensitive contexts, and edited images carry provenance signals. According to Google’s DeepMind blog, SynthID watermarking is embedded in AI-generated pixels so the content remains identifiable. Treat that as a feature: clients and platforms increasingly expect disclosure, and provenance metadata provides it automatically.
Frequently Asked Questions
Is Nano Banana free to use?
Yes, with limits. The image editor is built into the free Gemini app and website, and free-tier users get a daily allowance of image generations and edits. Heavy users can upgrade to Google AI Pro, around $20 per month in the US, for higher limits and priority access to the newest model versions. Casual editing, a few photos a day, fits comfortably inside the free tier.
How is Nano Banana different from ChatGPT image editing?
The core difference is architecture. Nano Banana is a natively multimodal model that processes your image and prompt together, which gives it excellent consistency when editing real photos, especially faces. ChatGPT’s editor is strong at creative transformations and following complex multi-part instructions. For realistic photo edits, Nano Banana usually wins; for imaginative generations, it is closer to a tie.
Can Nano Banana edit real photos of people?
Yes, and consistent faces are its signature strength. You can change backgrounds, clothing, lighting, and settings while keeping the person recognisable. Google applies safety policies, so it will refuse deceptive uses such as fabricating compromising imagery of real people. Edited images also carry SynthID watermarking and often C2PA credentials recording the edit, so provenance travels with the file.
Where is Nano Banana available?
Inside the Gemini app on Android and iOS and on the Gemini website, wherever Gemini is supported. There is no separate download; image editing appears automatically in any Gemini chat once you attach a photo or ask for an image. Availability of the newest model version can vary by region and by plan, with paid subscribers typically getting updates first.
Can I use Nano Banana images commercially?
Google’s terms generally permit commercial use of images you create, but check the current terms for your plan and region before using them in client work or advertising. Remember that exports carry SynthID watermarking and may include C2PA Content Credentials disclosing AI involvement, which some clients and ad platforms require you to declare. When in doubt, disclose the AI assistance.
Conclusion
Nano Banana earned its viral moment because it removed the learning curve from photo editing: upload a picture, describe the change, get a consistent result. In 2026 it remains the fastest route from “this photo is almost right” to “this photo is right”, especially for realistic edits where faces and details must survive. One clear takeaway: treat it as a brilliant assistant, not an autopilot. Specific prompts, small sequential edits, and a final human review are what separate a clean professional result from an obvious AI edit.
