ChatGPT Image Latest (API-Alias)vs.FLUX.1 Kontext [pro]

Which one is better?

We have not tested ChatGPT Image Latest (API-Alias) ourselves yet. Neither is in the arena. Neither has an API price.

Same task, the first image of each.

No image from the four fixed tasks for ChatGPT Image Latest (API-Alias) yet.This model does not yet have a complete GraduallyBench run.

ChatGPT Image Latest (API-Alias)not tested yet

FLUX.1 Kontext [pro]: Typography and layout, first image from the fixed test run — FLUX.1 Kontext [pro]14 out of 100

Result for “Typography and layout”:only FLUX.1 Kontext [pro] 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 ChatGPT Image Latest (API-Alias)

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.

The numbers at a glance

Arena ratingfrom votes by users · higher is better

n/a

ChatGPT Image Latest (API-Alias)

not in the arena

n/a

FLUX.1 Kontext [pro]

not in the arena

GraduallyBenchour own rating, 0 to 100 · higher is better

n/a

ChatGPT Image Latest (API-Alias)

not tested yet

31

FLUX.1 Kontext [pro]

Rank 57 of 74

Price per imagedollars through the API · lower is better

n/a

ChatGPT Image Latest (API-Alias)

no API price

n/a

FLUX.1 Kontext [pro]

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.

ChatGPT Image Latest (API-Alias)

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

FLUX.1 Kontext [pro]

Subscription: No Black Forest Labs subscription includes this model. Through other providers from ≈ €6.39 a month (ElevenLabs Starter, with limited credits). 23 plans in Germany.
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.

Kennzahl	ChatGPT Image Latest (API-Alias)	FLUX.1 Kontext [pro]
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	n/a	31
GraduallyBench by task
Typography and layoutLegible text, hierarchy, and composition	n/a	14
Product photographyMaterials, reflections, and fine details	n/a	21
Character and detailAnatomy, clothing, and spatial consistency	n/a	55
InfographicNumbers, labels, and visual organization	n/a	33
API price
Per imagelower is better	n/a	n/a
100 images	n/a	n/a
Profile
Released	n/a	n/a
Weightsopen means: runs locally	unknown	unknown
Lifecycle	Deprecated, non-reproducible rolling alias; API shutdown announced for December 1, 2026	Edit-first model line; API also supports image creation from text, but the main GraduallyBench tasks are not edit-based
Access	API	API
Parameters	not published	not published
Largest output	not consistently published	not consistently published
Plans in Germanynaming exactly this model	n/a	23

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

Sources: ChatGPT Image Latest (API-Alias) model source, status source (verified Nov 1, 2026) · FLUX.1 Kontext [pro] 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 ChatGPT Image Latest (API-Alias) and FLUX.1 Kontext [pro] from the same arena and category. Older model versions are not used as substitutes.

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