Kling Image 3.0vs.FLUX.2 Klein 4B

Which one is better?

In our own test both are on par. Neither is in the arena. Neither has an API price.

Same task, the first image of each. The task with the biggest difference is preselected.

Kling Image 3.0: Character and detail, first image from the fixed test run — Kling Image 3.022 out of 100

FLUX.2 Klein 4B: Character and detail, first image from the fixed test run — FLUX.2 Klein 4B53 out of 100

Result for “Character and detail”:FLUX.2 Klein 4B slightly ahead

Prompt given to both modelsCreate a square cinematic full-body portrait of a fictional bicycle courier waiting under a transparent umbrella at a rainy tram stop in Hamburg at blue hour. She wears a mustard raincoat, navy trousers, red sneakers, a silver helmet, and carries a teal messenger bag. Keep both hands visible, render the bicycle correctly, use realistic wet-street reflections, and include no readable brand names.

What the rating looks at: Anatomy, clothing, and spatial consistency.

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

Test protocol of the images

Both models receive the same archived prompt in exactly one request, and the first result counts. Files are normalized to 1,024 × 1,024 pixels without cropping. Provider resolution, randomness, quality tier and prompt processing can still differ. The images are a practical visual test, not a reconstruction of the arena configuration.

Character and detail

Kling Image 3.0: fal, aspect ratio 1:1, n=1, seed=provider random, resolution 1K, estimated cost $0.028000, generated Nov 1, 2026, 9:27 PM. Source

FLUX.2 Klein 4B: fal, requested 1024x1024, n=1, seed=707400387, Fal's published 4B text-to-image endpoint; default four inference steps, estimated cost $0.005000, generated Nov 1, 2026, 9:01 PM. Source

Protocol gradually-image-comparison-v1. Prompt SHA 256: 985a75b38642a9f0e5e0c0e0c67f1b7f67780d42bd2168fa24e9a7a7a94b0da6

Kling Image 3.0 image SHA 256: e51647c5a3a3d73d97c28608653facb7b9eda23d79282b1698c3976bdac125ae

FLUX.2 Klein 4B image SHA 256: 170cebb7cf75bc033a92371199812674f9cfa9641d5e9fb13947ccf892d4ed53

Infographic

Kling Image 3.0: fal, aspect ratio 1:1, n=1, seed=provider random, resolution 1K, estimated cost $0.028000, generated Nov 1, 2026, 9:28 PM. Source

FLUX.2 Klein 4B: fal, requested 1024x1024, n=1, seed=290140178, Fal's published 4B text-to-image endpoint; default four inference steps, estimated cost $0.005000, generated Nov 1, 2026, 9:01 PM. Source

Protocol gradually-image-comparison-v1. Prompt SHA 256: ed65cb4e6a51e2336f8b149ad4cbb16e020f07d527ad94362e719d2dcf91d94f

Kling Image 3.0 image SHA 256: 16ee26741483019f5338cf223adcf68418096f114519dd20a70ca4f45296f2c9

FLUX.2 Klein 4B image SHA 256: 42b729a5a72207b5a92464f3ecf1713459ab1b105c3041c14b75c7622630015e

Product photography

Kling Image 3.0: fal, aspect ratio 1:1, n=1, seed=provider random, resolution 1K, estimated cost $0.028000, generated Nov 1, 2026, 9:27 PM. Source

FLUX.2 Klein 4B: fal, requested 1024x1024, n=1, seed=1254275381, Fal's published 4B text-to-image endpoint; default four inference steps, estimated cost $0.005000, generated Nov 1, 2026, 9:00 PM. Source

Protocol gradually-image-comparison-v1. Prompt SHA 256: c67fd71e91304458a2feef5c91efa8677260fab0c0099a29a2c52cb579f5b2f3

Kling Image 3.0 image SHA 256: 4062a91ec9e68ed4f34b40656ead541684762678a7fdd8c9fccc390956a4df9d

FLUX.2 Klein 4B image SHA 256: 8fae4a7f6abb7467281c439dc93aa656031626f88c8a54f95f49850cbf045580

Typography and layout

Kling Image 3.0: fal, aspect ratio 1:1, n=1, seed=provider random, resolution 1K, estimated cost $0.028000, generated Nov 1, 2026, 9:26 PM. Source

FLUX.2 Klein 4B: fal, requested 1024x1024, n=1, seed=1270698692, Fal's published 4B text-to-image endpoint; default four inference steps, estimated cost $0.005000, generated Nov 1, 2026, 9:00 PM. Source

Protocol gradually-image-comparison-v1. Prompt SHA 256: 2e012c3d14ee5dd02203a94f394ca80a5038cdebd6032b25a8b8a221f2255419

Kling Image 3.0 image SHA 256: c25f0bccf4f51fe53d0bbefa56e3d2111ffb850458afed364ee7c534408801f0

FLUX.2 Klein 4B image SHA 256: 7c2c3e30c20c98e90033087b2b95b151bddc3252dd4aed7092fcbca4ae4ea96e

The numbers at a glance

Arena ratingfrom votes by users · higher is better

n/a

Kling Image 3.0

not in the arena

n/a

FLUX.2 Klein 4B

not in the arena

GraduallyBenchour own rating, 0 to 100 · higher is better

Kling Image 3.0

Rank 58 of 74

FLUX.2 Klein 4B

Rank 55 of 74

Price per imagedollars through the API · lower is better

n/a

Kling Image 3.0

no API price

n/a

FLUX.2 Klein 4B

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.

Kling Image 3.0

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

FLUX.2 Klein 4B

Subscription: No Black Forest Labs subscription includes this model. Through other providers from €6.83 a month (Poe Basic, with limited points). 12 plans in Germany.
Via API: No API price known. Access: API, local.
License: Open weights.

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.

Kennzahl	Kling Image 3.0	FLUX.2 Klein 4B
Ratings
Arena ratingfrom votes by users, higher is better	n/a	n/a
Arena rank	n/a	n/a
Arena votesmore votes, a safer rating	n/a	n/a
GraduallyBenchour own rating, 0 to 100	29	37
GraduallyBench by task
Typography and layoutLegible text, hierarchy, and composition	27	21
Product photographyMaterials, reflections, and fine details	39	54
Character and detailAnatomy, clothing, and spatial consistency	22	53
InfographicNumbers, labels, and visual organization	27	19
API price
Per imagelower is better	n/a	n/a
100 images	n/a	n/a
Profile
Released	Feb 5, 2026	n/a
Weightsopen means: runs locally	unknown	open
Access	API	API, local
Parameters	not published	4 billion
Largest output	2K	not consistently published
Plans in Germanynaming exactly this model	n/a	12

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

Sources: Kling Image 3.0 model source (verified Nov 1, 2026) · FLUX.2 Klein 4B model 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 Kling Image 3.0 and FLUX.2 Klein 4B from the same arena and category. Older model versions are not used as substitutes.

Compare another matchup

First image modelSecond image model

More matchups

Compare Kling Image 3.0 and FLUX.2 Klein 4B with other important image models.

View the complete image model comparison

Same prompt, two images

The numbers at a glance

Kling Image 3.0

FLUX.2 Klein 4B

All data side by side

Arena ratings by category

No shared arena score in the stored snapshot

Compare another matchup

Related image model comparisons