Oakgen.aiSocial media content
Produce eye-catching Instagram, TikTok, Twitter/X, and Pinterest images without stock photo licensing or photoshoots. Generate days of content in minutes.
For: Content creators, social managers
Nano Banana 2.1 4K AI Image Generation & Editing
- Made by
- Google · Gemini image family
- Takes
- Prompt · or with up to 14 images
- Resolution
- 1K · 2K · 4K
- List price
- 14 credits / image
Create
FIG. 01Specs
PromptRequiredup to 50,000 characters
Input ImagesOptionalup to 14
Output1–4 images1K · 2K · 4K
- Made by
- Google · Gemini image family
- Edit
- Input Images · up to 14
- Prompt
- Required · up to 50,000 characters
- Resolution
- Aspect Ratio
- Thinking Level
- Enable Web Search
- Off by default
- Number of Images
- Output Format
- System Prompt
- Optional · up to 5,000 characters
- Seed
- Optional
List price
14credits · 1K · 1 image
| Images | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1K | ||||
| 2K | ||||
| 4K |
Compare
| Model | Credits · 1 image |
|---|---|
| Nano Banana 2.1This pageGoogle | |
| Nano Banana ProGoogle | |
| FLUX 2 MaxBlack Forest Labs | |
| Nano Banana 2Google | |
| Grok ImaginexAI |
About Nano Banana 2.1
What is Nano Banana 2.1?
Underlying model: Gemini image family by Google. Hosted on Oakgen.ai with no watermark where supported. Commercial use depends on Oakgen's Terms, provider terms, and your source materials.
Google's image generation and editing model, available on Oakgen.ai. Generate at 1K, 2K, or 4K, choose from 15 aspect ratios including wide 8:1 banners and tall 1:8 strips, set how much the model thinks before it renders, and optionally ground the image in a web search. The edit variant takes up to 10 reference images.
Nano Banana 2.1 is Google's image generation and editing model in the Nano Banana line, available on Oakgen.ai for both text-to-image and reference-based editing. It outputs at 1K, 2K, or 4K and supports 15 aspect ratios, including the extreme 4:1, 1:4, 8:1, and 1:8 formats as well as an automatic setting. A thinking level of minimal, medium, or high controls how much reasoning the model applies to a prompt, and optional web search grounding lets it draw on current information. You can request up to 4 images at once and add an optional system prompt. On Oakgen.ai, Nano Banana 2.1 runs inside the standard image generator with no watermark and commercial-use rights for eligible outputs on paid plans, and results flow straight into Oakgen's editor, upscaler, and video tools.
Why Nano Banana 2.1 is popular
- Output up to 4K — choose 1K, 2K, or 4K per request, so the same model covers quick drafts and final-resolution assets.
- Extreme aspect ratios — 4:1, 1:4, 8:1, and 1:8 sit alongside the standard ratios, which suits banners, headers, and tall vertical strips without cropping afterwards.
- Adjustable thinking level — set minimal, medium, or high to trade off how much reasoning goes into a prompt.
- Optional web search grounding — the model can look up current information when a prompt refers to real-world subjects.
- Edit with many references — the edit variant accepts up to 10 reference images for compositing, restyling, and continuity across a set.
When to use Nano Banana 2.1
- You need very wide or very tall formats such as web banners, hero strips, or vertical story panels.
- Your prompt depends on real-world or current subjects and you want to try web search grounding.
- You want to start with a quick low-resolution draft and move to 4K for the final version.
- You are editing with several reference images at once, such as a product, a style board, and a layout.
- You want up to 4 variations of a prompt in a single request.
How to use Nano Banana 2.1
Describe your image
Write a prompt or describe the scene you want to create. Include subject, style, lighting, composition and any specific details — a sharper prompt produces a sharper image.
Pick settings
Choose aspect ratio, number of images per generation, and any model-specific controls like reference images, style LoRAs, or creativity level. Most defaults are already dialed in for social and web use.
Generate
Hit generate and the selected model produces your images. Most models return 1–4 outputs within seconds. All outputs arrive watermark-free with commercial-use rights for eligible outputs on paid plans.
Refine or edit
Upscale, edit, swap faces, remove backgrounds, or run the output through a different model for style transfer. Every Oakgen image flows seamlessly into the editing and enhancement tools.
Tips for better results
- Be specific about subject, style, and composition. Vague prompts produce generic outputs.
- Add lighting cues (e.g. 'golden hour', 'studio softbox', 'rim lit') — lighting is the fastest way to make AI images look professional.
- Name a camera, lens, or medium (e.g. 'shot on 85mm', 'oil painting', 'vector illustration') to lock in the aesthetic.
- Use negative prompts (where the model supports them) to remove unwanted artifacts like extra fingers, text, or watermarks.
- Seeds are your friend — once you find a composition you like, reuse the seed and tweak only the prompt to iterate without losing the layout.
- For photorealistic work, describe one subject clearly rather than listing five characters. Compositional complexity is the hardest thing for models to get right.
- Save prompts that work. A good prompt template compounds — tweak it for dozens of variations instead of starting from scratch.
Strengths
- 1K, 2K, and 4K output from one model
- 15 aspect ratios, including 4:1, 1:4, 8:1, and 1:8
- Thinking level you can set to minimal, medium, or high
- Optional web search grounding for prompts that reference the real world
- Up to 4 images per request, and up to 10 reference images when editing
- Runs in the same Oakgen workflow as the other image models, with the price shown before you generate
Trade-offs
- 4K output costs more per image than 1K, so check the live price for your settings before generating
- Web search grounding is optional and only helps prompts that depend on real-world information
- Safety filters apply, so some edgy or highly sensitive prompts may be softened or declined
- Very large jumps between edit turns can weaken consistency, so incremental edits tend to work best
Popular use cases
E-commerce and product imagery
Generate product photography, lifestyle shots, and branded backdrops. Swap backgrounds, create variant images, and produce listing photos that stand out on Amazon, Shopify, and marketplaces.
For: DTC brands, Shopify stores, Amazon sellers
Marketing and ad creatives
Produce scroll-stopping ad creative for Facebook, Instagram, Google Display, and programmatic. A/B test dozens of image variations without a photographer or design team.
For: Performance marketers, growth teams
Blog and editorial illustrations
Create custom hero images, article illustrations, and featured thumbnails. Stop relying on the same stock images every competitor uses.
For: Publishers, bloggers, editorial teams
Concept art and prototyping
Rapidly sketch game assets, film concept art, product mockups, and architectural visualizations. Ship pre-production work in a fraction of the usual time.
For: Game studios, filmmakers, industrial designers
Brand assets and identity
Generate logos, brand motifs, pattern libraries, and style explorations. Build a consistent visual identity with reference images and LoRAs.
For: Branding agencies, solo founders, creative directors
Nano Banana 2.1 vs other image models
- vs Nano Banana 2
- Nano Banana 2 and Nano Banana 2.1 both run in Oakgen's image generator. Choose Nano Banana 2.1 when you want 1K, 2K, or 4K output with the extreme 4:1, 1:4, 8:1, and 1:8 aspect ratios, an adjustable thinking level, and optional web search grounding. Compare the settings each model shows in the model picker, and check the live price before generating.
- vs Nano Banana Pro
- Nano Banana Pro is the more established Nano Banana option on Oakgen.ai, known for character consistency and conversational edits. Nano Banana 2.1 adds a thinking level, optional web search grounding, and extreme aspect ratios. Pick Pro when you already have a dialed-in prompt template; try 2.1 when you need those controls.
- vs GPT Image 2
- GPT Image 2 is stronger when an image needs precise typography or a structured layout. Nano Banana 2.1 is the better fit when you want web search grounding, very wide or very tall formats, or many reference images in one edit.
- vs FLUX 2 Max
- FLUX 2 Max is Black Forest Labs' flagship text-to-image model, tuned for realism. Nano Banana 2.1 is the one to try when your workflow involves reference-based editing, a thinking level, or grounding a prompt in current information.
Explore Image Ideas
Start with a written prompt, then refine the visual details you want to explore.
Step-by-Step Guide
1. Describe Your Idea
Write the subject, setting, and visual details you want to explore.
2. Set Your Direction
Choose the options that fit the format and style you have in mind.
3. Review Your Prompt
Check the prompt and selected options before starting a draft.
4. Refine the Result
Review the draft, then adjust the prompt or settings for another iteration.
Tips for Best Results
Start with the Subject
Name the main subject before adding the scene or setting around it.
Add Visual Details
Include details about composition, lighting, color, and mood when they matter.
Change One Detail at a Time
Keep the rest of the prompt steady while you test a new visual direction.
Keep Useful Notes
Save the wording and settings that help you continue a useful direction.
Frequently asked questions
17What is Nano Banana 2.1?
Nano Banana 2.1 is Google's image generation and editing model. On Oakgen.ai it supports text-to-image and reference-based editing, with 1K, 2K, and 4K output, 15 aspect ratios, an adjustable thinking level, optional web search grounding, and up to 4 images per request.
What resolutions and aspect ratios does Nano Banana 2.1 support?
Nano Banana 2.1 outputs at 1K, 2K, and 4K. It offers 15 aspect ratios plus an automatic setting, including the extreme 4:1, 1:4, 8:1, and 1:8 formats, so you can generate banners and tall vertical images directly.
What does the thinking level do?
The thinking level controls how much reasoning the model applies before it renders an image. You can set it to minimal, medium, or high. Higher levels can suit complex prompts, and the live price on Oakgen reflects your settings.
What is web search grounding?
Web search grounding is an optional setting that lets Nano Banana 2.1 draw on web search results when it generates. It is useful when a prompt refers to real-world subjects or current information, and you can leave it off for purely imaginative scenes.
How many reference images can I use when editing?
The Nano Banana 2.1 edit variant accepts up to 10 reference images alongside your instruction. Use them to bring in a product, a style reference, or a layout, then describe how they should be combined.
Can I use Nano Banana 2.1 outputs commercially?
Yes. On any paid Oakgen.ai plan, Nano Banana 2.1 generations are watermark-free and come with commercial-use rights for eligible outputs, subject to Oakgen's terms and the provider's usage policies.
Do generated images have a watermark?
No. Images generated on Oakgen.ai are watermark-free and come with commercial-use rights for eligible outputs on every paid plan.
Can I use AI images commercially?
Yes. On a paid Oakgen plan every generation includes commercial-use rights for eligible outputs. You can use the output in ads, products, client work, and monetized content.
How many images can I generate per run?
Depends on the model — most support 1–4 images per generation, with some allowing up to 8. You can queue additional generations back-to-back for larger batches.
What resolutions are supported?
Most models produce outputs in the 1024–2048 px range natively. For higher resolutions, run the output through Oakgen's image upscaler (up to 4K) after generation.
Can I use my own reference images?
Many models accept reference images for image-to-image, style transfer, or subject preservation workflows. Check the model's form fields — if image upload is available, you can upload up to the model's max size limit.
What's the best prompt structure?
A reliable template: [subject] [action] [environment] [style and medium] [lighting] [camera or composition cue]. Be specific but not verbose. 15–40 words is the sweet spot for most modern diffusion models.
Does Oakgen train on my generated images?
No. Your generations are yours. Oakgen does not train models on user outputs and does not use them for product development without consent.
Can I edit the images after generation?
Yes. Oakgen's image editing suite includes background removal, upscaling, inpainting, and style transfer. Every generated image flows seamlessly into the editor.
How should I start a prompt?
Begin with the subject and setting, then add the visual details that matter most to your idea.
How do I keep a series consistent?
Reuse the core subject description and change only the part of the scene you want to explore.
How should I choose a format?
Choose a format based on where you plan to use the image and how you want the scene framed.
Nano Banana 2.114 credits / imageCreate