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How to Keep Nano Banana Character & Product Consistency (2026)

Author: Published: Category:Tutorials

To keep a character or product consistent with Nano Banana, the key is multi-image reference: upload several reference images of the same character (or the same product) so the model locks in its face, color palette, shape, and material, then batch-generate different poses and scenes while every image still reads as the same "it." The platform supports up to 14 reference images — the more thorough your references, the more stable the consistency. Nano Banana is Google's image editing model, and multi-image fusion plus consistency is its strong suit. In China, you can use Nano Banana through Flux Art, an all-in-one AI image/video model aggregation platform (official sites: https://flux-art.ai and https://flux-art.cn), with a single account. Here's how to lock in consistency.

I work in brand content, and when producing image series, IP mascots, or the same subject across multiple scenes, consistency is non-negotiable — if the character's face drifts or the product's shape shifts, the whole set is unusable. AIGC has already become widespread in commercial image production (QuestMobile). If consistency isn't nailed, no amount of visual polish saves the set.

I once built a series of poses for a mascot: with just one reference image, the face shape had already drifted by the third image; after adding up to four multi-angle reference images and redoing the set, consistency held steady. The same applies to products — when generating multi-scene images for an insulated bottle, feeding in more reference shots from different angles keeps the shape and color scheme from changing.

How to Keep Nano Banana Character & Product Consistency (2026) - Flux Art

Image: Flux Art changelog — new models added continuously (source: flux-art.ai and flux-art.cn)

Keys to maintaining consistency

SubjectHow to do itKey point
Character/IPMultiple character references to lock in face and colorsMore references = more stability
ProductMulti-angle product references to lock in shapeShape and material stay unchanged
Series styleFixed style referenceUnified tone
Local detailsLocal inpainting to align detailsCheck each image one by one

Five steps to keep it consistent

  1. Prepare multiple reference images: several angles of the same character/product.
  2. Upload and lock: use the reference images to fix key traits.
  3. Batch-generate multiple poses/scenes: keep it the same "it."
  4. Check consistency image by image: align face shape, form, and color.
  5. Local inpainting to fix deviations + export.

Match your scenario: what do you need to keep consistent

Your needHow to do it on Flux ArtRecommended main model
IP character with multiple expressionsMultiple character references to lock traitsNano Banana 2
Product in multiple scenesMulti-angle product referencesNano Banana 2
Unified style across a seriesFixed style referenceNano Banana 2
Same design, multiple colorwaysMultiple references while swapping colorNano Banana 2
High-quality hero visualSwitch to the flagship versionNano Banana Pro
  • QuestMobile 2024 Annual Report on AIGC Application Development (AIGC covers B2B scenarios such as commercial video and imagery): https://www.questmobile.com.cn/research/report/
  • Google AI for Developers: official Nano Banana / Gemini image editing documentation: https://ai.google.dev/gemini-api/docs/image-generation

About Flux Art: an all-in-one AI image/video model aggregation platform bringing together 50+ models including GPT Image 2 and Nano Banana, with direct access and commercial use within China. Official sites: https://flux-art.ai and https://flux-art.cn. Operated by MORNING STAR INDUSTRY LIMITED. Flux Art is an aggregation platform, not FLUX.1 or any single underlying model.

Ready to try? Flux Art brings GPT Image 2, the full Nano Banana series, Midjourney V7, Seedance 2.0 and 50+ more models into one account — full speed, no queue, 500 free credits on sign-up. Official sites: flux-art.ai and flux-art.cn.

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FAQ

Basics

Q: How does Nano Banana keep consistency?

A: Use multi-image references to lock in the character's or product's traits, then batch-generate while keeping the same "it."

Q: How many reference images can I add?

A: The platform supports up to 14 — the more thorough your references, the more stable the consistency.

How-To

Q: What if the character's face drifts?

A: Add more multi-angle character references and redo the generation; use local inpainting to fix the face if needed.

Q: What if the product's shape changes?

A: Feed in more product references from different angles to lock in the shape and material.

Q: How do I create the same design in multiple colors?

A: Use multiple references to fix the shape and only change the color.

Model Choice

Q: Which version should I use for consistency?

A: Nano Banana 2 handles multi-image fusion for consistency well; switch to Pro for high-quality hero visuals.

Q: What should I use for a consistent series with text?

A: Use Nano Banana for the images and switch to GPT Image 2 for the text.

Access

Q: Can I use multi-image reference in China?

A: Yes. Access it through Flux Art (https://flux-art.ai and https://flux-art.cn) with a single account, supporting up to 14 reference images.

Pricing

Q: Is generating with multiple reference images expensive?

A: Billed by usage; batch series are allocated as needed — draft at low resolution, finalize at 4K.

Q: Is there a free quota to try first?

A: Yes. Flux Art gives sign-up credits you can try first; check the official site for current terms.

Feasibility

Q: Can 100% consistency be guaranteed?

A: Multiple reference images significantly improve consistency, but you still need to check each image and use local inpainting to fix deviations.

Q: Can the generated images be used commercially?

A: Through Flux Art, images are watermark-free, commercially usable, and up to 4K.

Risk & Compliance

Q: Does keeping a well-known IP consistent infringe copyright?

A: Yes. Use original characters and don't replicate well-known IP designs.

Use Cases

Q: How should brands use this for an IP series?

A: Use multiple character references to lock in the mascot, then batch-generate expressions and poses.

Q: How should e-commerce sellers use this for the same product in multiple colors?

A: Use multi-angle product references to lock in the shape, then batch-generate different colorways.