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Firefly Image Model 5vs.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 prompt, two images

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

Firefly Image Model 5: Typography and layout, first image from the fixed test run
Firefly Image Model 574 out of 100
FLUX.2 Klein 4B: Typography and layout, first image from the fixed test run
FLUX.2 Klein 4B21 out of 100

Result for “Typography and layout”:Firefly Image Model 5 ahead

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.

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

Firefly Image Model 5: manual, one request, first output, Firefly Image 5, 1:1, 1K, no reference image, no negative prompt, 10 Adobe credits, generated Aug 16, 2026, 12:14 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

Firefly Image Model 5 image SHA 256: 6a8e97db33824727599cf62339ff714cfb836a96a5f078010bb7760d7372f3d4

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

Infographic

Firefly Image Model 5: manual, one request, first output, Firefly Image 5, 1:1, 1K, no reference image, no negative prompt, 10 Adobe credits, generated Aug 16, 2026, 12:14 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

Firefly Image Model 5 image SHA 256: 8fa6d9b40c417847061ec33d789ad5bf91f1e85da586515c6226ce6db825d1ba

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

Product photography

Firefly Image Model 5: manual, one request, first output, Firefly Image 5, 1:1, 1K, no reference image, no negative prompt, 10 Adobe credits, generated Aug 16, 2026, 12:14 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

Firefly Image Model 5 image SHA 256: c36dab49ebe40473fa9e9a61b2b02fe36c4cd3536cbb6aac1d0ad0f8944d8bfc

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

Typography and layout

Firefly Image Model 5: manual, one request, first output, Firefly Image 5, 1:1, 1K, no reference image, no negative prompt, 10 Adobe credits, generated Aug 16, 2026, 12:14 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

Firefly Image Model 5 image SHA 256: cf8a921a221de5e456df2311482fc999303f5438270fb1a77c1be2dd3d9afc0b

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

The numbers at a glance

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

Firefly Image Model 5

not in the arena

n/a

FLUX.2 Klein 4B

not in the arena

GraduallyBenchour own rating, 0 to 100 · higher is better
48

Firefly Image Model 5

Rank 49 of 74

37

FLUX.2 Klein 4B

Rank 55 of 74

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

Firefly Image Model 5

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.

Firefly Image Model 5

Subscription
n/a No plan in Germany names exactly this model.
Via API
No API price known. Access: API, Web app.

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.

KennzahlFirefly Image Model 5FLUX.2 Klein 4B
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 1004837
GraduallyBench by task
Typography and layoutLegible text, hierarchy, and composition7421
Product photographyMaterials, reflections, and fine details2454
Character and detailAnatomy, clothing, and spatial consistency8753
InfographicNumbers, labels, and visual organization519
API price
Per imagelower is bettern/an/a
100 imagesn/an/a
Profile
ReleasedOct 28, 2025n/a
Weightsopen means: runs locallyproprietaryopen
LifecycleGenerally available since March 19, 2026no notice
AccessAPI, Web appAPI, local
Parametersnot published4 billion
Largest output4 Megapixelnot consistently published
Plans in Germanynaming exactly this modeln/a12

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

Sources: Firefly Image Model 5 model source, status source (verified Aug 15, 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 Firefly Image Model 5 and FLUX.2 Klein 4B from the same arena and category. Older model versions are not used as substitutes.

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