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Runway Gen-4 Imagevs.Chroma1-HD

Which one is better?

We have not tested Chroma1-HD ourselves yet. Neither is in the arena. Neither has an API price.

Same prompt, two images

Same task, the first image of each.

Runway Gen-4 Image: Typography and layout, first image from the fixed test run
Runway Gen-4 Image32 out of 100

No image from the four fixed tasks for Chroma1-HD yet.This model does not yet have a complete GraduallyBench run.

Chroma1-HDnot tested yet

Result for “Typography and layout”:only Runway Gen-4 Image 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 Chroma1-HD

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

Runway Gen-4 Image

not in the arena

n/a

Chroma1-HD

not in the arena

GraduallyBenchour own rating, 0 to 100 · higher is better
25

Runway Gen-4 Image

Rank 61 of 74

n/a

Chroma1-HD

not tested yet

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

Runway Gen-4 Image

no API price

n/a

Chroma1-HD

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.

Runway Gen-4 Image

Subscription
No Runway subscription includes this model. Through other providers from ≈ €6.39 a month (ElevenLabs Starter, with limited credits). 19 plans in Germany.
Via API
No API price known. Access: API, Web app.
Weights
unknown.

Chroma1-HD

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

KennzahlRunway Gen-4 ImageChroma1-HD
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 10025n/a
GraduallyBench by task
Typography and layoutLegible text, hierarchy, and composition32n/a
Product photographyMaterials, reflections, and fine details20n/a
Character and detailAnatomy, clothing, and spatial consistency22n/a
InfographicNumbers, labels, and visual organization27n/a
API price
Per imagelower is bettern/an/a
100 imagesn/an/a
Profile
Releasedn/an/a
Weightsopen means: runs locallyunknownopen
AccessAPI, Web applocal
Parametersnot published8.9 billion
Largest outputnot consistently publishednot consistently published
Plans in Germanynaming exactly this model19n/a

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

Sources: Runway Gen-4 Image model source (verified Nov 1, 2026) · Chroma1-HD 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 Runway Gen-4 Image and Chroma1-HD from the same arena and category. Older model versions are not used as substitutes.

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