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Nano Banana 2.1

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Oct 7, 2026

(Updated: a month ago)

comparative study
Nano Banana 2.1

Intro

Published 6 October 2026. Based on Gemini 3.6. Now Google adopted nano banana as an official name, so it is gemini-nano-banana-2.1, previous (nano banana 2.0) was gemini-3.1-flash-image on API level. On CivitAi it is Google's Nano Banana.

Price

  • Nano Banana v2 1024x1024 - 104 ⚡(10¢)

  • Nano Banana v2 2048x2048 - 156⚡(16¢)

  • Nano Banana v2 4096x4096 - 208⚡(20¢)

  • Nano Banana v2 lite 1024x1024 - 44 ⚡(4¢)

  • Nano Banana v2.1 1024x1024 - 44 ⚡(4¢)

  • Nano Banana v2.1 2048x2048 - 66⚡(7¢)

  • Nano Banana v2.1 4096x4096 - 148⚡(15¢)

Som other models to compare

  • GPT Image 2.5 1024x1024 high - 69 ⚡(7¢)

  • GPT Image 2.5 1536x1024 high - 54 ⚡

  • GPT Image 2.5 1024x1024 medium - 18 ⚡(2¢)

  • GPT Image 2.5 1536x1024 medium - 14 ⚡

  • GPT Image 2.5 1024x1024 low - 8 ⚡(1¢)

  • GPT Image 2.5 1536x1024 low - 7⚡

  • Reve 4096x4096 - 325⚡(32¢)

  • Ideogram 4.5 2048x2048 high - 286 ⚡(28¢)

  • Ideogram 4.5 2048x2048 medium - 78⚡(8¢)

  • Ideogram 4.5 2048x2048 low - 39⚡(4¢)

  • Grok Imagine 1.5 1024x1024 - 26⚡(3¢)

  • Muse Image 1600x1600 - 13 ⚡(2¢)

  • KREA 2 Turbo 1024x1024 - 15⚡(1¢)

  • KREA 2 Turbo 2048x2048 - 60⚡(6¢)

  • KREA 2 Medium 1024x1024 - 39⚡(4¢)

  • KREA 2 Large 1024x1024 - 78⚡(4¢)

Image Quality

it is close to previous models result. No revolution there. Still one of the best.

test v3 (1K)

2026-10-07-02030-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

good

2026-10-07-02031-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

good

2026-10-07-02034-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg2026-10-07-02035-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg2026-10-07-02036-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg2026-10-07-02037-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

I do not know what to say, it is all good as expected

2026-10-07-02042-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg2026-10-07-02043-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg2026-10-07-02044-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

will skip some images.. will be link to the test in the end

2026-10-07-02055-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg2026-10-07-02056-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

and the last one for this test

2026-10-07-02064-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

Nano Banana do pareidolia effect. It is one of the few models that able to.

Star Wars themed meme "Ai need more datacenters" - Censored.

ERROR    Cloud: model="gemini-nano-banana-2.1" no images received

test v2 (1K)

2026-10-07-02065-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02066-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02067-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02068-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

row 1 - all good

2026-10-07-02069-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

2026-10-07-02070-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02071-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02072-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

row 2 - it is kind of perfect. like shoes brand visible, pen on a signature. skin, eye.

2026-10-07-02073-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02074-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02075-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02076-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

row 3 - same there. Everything you ask for is generated as you expect it to be.

2026-10-07-02077-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

2026-10-07-02078-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02079-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02080-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

row 4 - reflection trap is ok, car passengers not perfect, other is good

2026-10-07-02081-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02082-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02083-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02084-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

nature is good

2026-10-07-02085-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02086-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02087-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02088-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

ChatGPT Images will probably add a lot of details. At least Critic background. Gemini will not. ok.

2026-10-07-02089-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02090-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02091-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02092-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

Hmm.. 3 arms on wall break. So, the leaders are also might be not perfect.

2026-10-07-02093-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02094-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02095-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02096-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

places are ok

2026-10-07-02097-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02098-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02099-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02100-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

DC comics not filtered - that is nice, Solar system is much less of what ChatGPT Images will do, but ok. hoho meme is good.

2026-10-07-02101-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02102-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02103-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg2026-10-07-02104-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG-1.0-STEP1.jpg

ASCII - good, abstract - good, ad - good.

nothing was censored on test v2 (via API)

test v1

2026-10-07-02106-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

good

2026-10-07-02109-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

correct opera and wrong background

2026-10-07-02123-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

that is a lot of text rendered there and illustration is good.

Will not post it there, but believe me: Barak Obama mike drop is done correctly. and Terminator also.

2026-10-07-02130-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

that is 1girl

2026-10-07-02132-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

that is very good

2026-10-07-02133-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

short prompt solar system. Again, it is not ChatGPT Images level of details, but it is good.

2026-10-07-02140-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

Yes. that what I ask when I prompt "abstract art"

2026-10-07-02144-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

art styles are also something Nano Banana is understand. and do good.

2026-10-07-02146-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg2026-10-07-02151-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1.0-AG0.0-STEP1.jpg

Five prompts from test v.1 were censored (All Marvel universe characters)

Ok, Google, maybe you could do a biting lip than (from Ai Art 18)?

2026-10-07-02153-gemini-nano-banana-2.1-1024x1024-Seed1-CFG1-AG4-STEP1.jpg

yes

2026-10-07-02154-gemini-nano-banana-2.1-1024x1024-Seed1-CFG1-AG4-STEP1.jpg

that is what most models cannot do

2026-10-07-02159-gemini-nano-banana-2.1-1024x1024-Seed1-CFG1-AG4-STEP1.jpg

1K and 4K resolution

1k

2026-10-07-02169-gemini-nano-banana-2.1-1024x1024-Seed20261007-CFG1-AG4-STEP1.jpg

4k

2026-10-07-02171-gemini-nano-banana-2.1-4096x4096-Seed20261007-CFG1-AG-1-STEP1.jpg

Now that is it..

Nano Banana is still one of the Text2Image leaders. Along with ChatGPT Images, that may be better in prompt enchantment and adding details, but (at least 2.5 flare) more censored.

Links

test v3

test v2

test v1

0

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