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Nano Banana 2.1vs.Kling Image O1

Which one is better?

We have not tested Kling Image O1 ourselves yet. Neither is in the arena. Neither has an API price.

Same prompt, two images

Same task, the first image of each.

Nano Banana 2.1: Typography and layout, first image from the fixed test run
Nano Banana 2.160 out of 100

No image from the four fixed tasks for Kling Image O1 yet.This model does not yet have a complete GraduallyBench run.

Kling Image O1not tested yet

Result for “Typography and layout”:only Nano Banana 2.1 tested

Prompt given to both modelsCreate a square editorial poster for an imaginary night train called MONDFALTER. Show the exact German headline MONDFALTER and the exact subline BERLIN NACH LISSABON. Use a restrained midnight-blue and warm-cream palette, one stylized moth, strong Swiss-grid typography, generous negative space, and no additional words or logos.

What the rating looks at: Legible text, hierarchy, and composition.

“Ahead”: better in all three rating rounds. “Slightly ahead”: a higher value, but not in every round.

Missing image run for Kling Image O1

This model does not yet have a complete GraduallyBench run. Run the missing fixed tasks, archive the first output of each, and evaluate them blind.

Documentation

The numbers at a glance

Arena ratingfrom votes by users · higher is better
n/a

Nano Banana 2.1

not in the arena

n/a

Kling Image O1

not in the arena

GraduallyBenchour own rating, 0 to 100 · higher is better
69

Nano Banana 2.1

Rank 11 of 74

n/a

Kling Image O1

not tested yet

Price per imagedollars through the API · lower is better
n/a

Nano Banana 2.1

no API price

n/a

Kling Image O1

no API price

Ranks among the 22 image models with an arena rating and the 74 with a GraduallyBench run; prices compared with 28 models with an API price.

Nano Banana 2.1

Subscription
At Google from €4.99 a month (Google AI Plus, with limited credits). Through other providers from €6.83 a month (Poe Basic, with limited points). 42 plans in Germany.
Via API
No API price known. Access: API, Web app.
Weights
unknown.

Kling Image O1

Subscription
n/a No plan in Germany names exactly this model.
Via API
No API price known. Access: API.
Weights
unknown.

Subscriptions only count plans that name exactly this model. Subscription prices include VAT, API prices are in dollars.

GraduallyBench from Nov 1, 2026 · Subscription database from Sep 29, 2026 (34 days old)

All data side by side

The better value is bold. For ratings only when the gap is clear.

KennzahlNano Banana 2.1Kling Image O1
Ratings
Arena ratingfrom votes by users, higher is bettern/an/a
Arena rankn/an/a
Arena votesmore votes, a safer ratingn/an/a
GraduallyBenchour own rating, 0 to 10069n/a
GraduallyBench by task
Typography and layoutLegible text, hierarchy, and composition60n/a
Product photographyMaterials, reflections, and fine details80n/a
Character and detailAnatomy, clothing, and spatial consistency67n/a
InfographicNumbers, labels, and visual organization71n/a
API price
Per imagelower is bettern/an/a
100 imagesn/an/a
Profile
ReleasedOct 6, 2026n/a
Weightsopen means: runs locallyunknownunknown
Lifecycleno noticeListed as a T2I model choice through Tencent TokenHub; direct Kling API ID not verified
AccessAPI, Web appAPI
Parametersnot publishednot published
Largest outputnot consistently publishednot consistently published
Plans in Germanynaming exactly this model42n/a

API prices for one image at 1,024 × 1,024 pixels according to Artificial Analysis.

Sources: Nano Banana 2.1 model source (verified Nov 1, 2026) · Kling Image O1 model source, status source (verified Nov 1, 2026)

Arena ratings by category

From blind votes on LMArena. “Ahead” means the lead is clear.

No shared arena score in the stored snapshot

The stored benchmark database contains no measurement for Nano Banana 2.1 and Kling Image O1 from the same arena and category. Older model versions are not used as substitutes.

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