GPT Image 1.5vs.MiniMax Image-01

Which one is better?

In our own test, GPT Image 1.5 leads. MiniMax Image-01 has no arena rating yet. MiniMax Image-01 has no API price.

Test images

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

GPT Image 1.5: Character and detail, first image from the fixed test run — GPT Image 1.589 out of 100

MiniMax Image-01: Character and detail, first image from the fixed test run — MiniMax Image-0133 out of 100

Result for “Character and detail”:GPT Image 1.5 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

Each test attempt uses the same archived prompt and one request. The first output of that attempt counts. Repeats after technical test failures are disclosed for the affected images. 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

GPT Image 1.5: together, 1024x1024, n=1, seed=provider random, provider default steps, generated Aug 14, 2026, 12:17 PM. Source

MiniMax Image-01: fal, aspect ratio 1:1, n=1, seed=provider random, estimated cost $0.010000, generated Nov 1, 2026, 8:43 PM. Source

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

GPT Image 1.5 image SHA 256: 0dff52ccd39400ac66ac8870c9ea937512ff1474688e70118688f420c38c2296

MiniMax Image-01 image SHA 256: b99793e66d1eb69880872d1865f25456b6588dc658aa46906b7636da46f63320

Infographic

GPT Image 1.5: together, 1024x1024, n=1, seed=provider random, provider default steps, generated Aug 14, 2026, 12:17 PM. Source

MiniMax Image-01: fal, aspect ratio 1:1, n=1, seed=provider random, estimated cost $0.010000, generated Nov 1, 2026, 8:43 PM. Source

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

GPT Image 1.5 image SHA 256: 1c9ff59c32621c8b48b002dacb0ae66487262280c7c0a5b3d6456c81b248ebe9

MiniMax Image-01 image SHA 256: 31b08957fb9eda45525c50935fd332cdbe5a5150a4ed57dead5254e667b2b0de

Product photography

GPT Image 1.5: together, 1024x1024, n=1, seed=provider random, provider default steps, generated Aug 14, 2026, 12:16 PM. Source

MiniMax Image-01: fal, aspect ratio 1:1, n=1, seed=provider random, estimated cost $0.010000, generated Nov 1, 2026, 8:43 PM. Source

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

GPT Image 1.5 image SHA 256: 67cfa2f324447027ceb5f82e9446d40a1395b46ce425890a74606b4d97731cf6

MiniMax Image-01 image SHA 256: a8986bd9a5e8262b5705f8a7ba5259968371a3bc8e14394b992736f59e45385b

Typography and layout

GPT Image 1.5: together, 1024x1024, n=1, seed=provider random, provider default steps, generated Aug 14, 2026, 1:59 PM. Source

MiniMax Image-01: fal, aspect ratio 1:1, n=1, seed=provider random, estimated cost $0.010000, generated Nov 1, 2026, 8:42 PM. Source

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

GPT Image 1.5 image SHA 256: 6a4cec86850fd371b65274198e2bf630b3cf36a096f9fb953d4bfe17c3222ebe

MiniMax Image-01 image SHA 256: 020129f518174bf171032cc5cb7b2234782f4e1d7b1e685d473388094630a107

The numbers at a glance

Arena ratingfrom votes by users · higher is better

1,236

GPT Image 1.5

Rank 13 of 21

n/a

MiniMax Image-01

not in the arena

GraduallyBenchour own rating, 0 to 100 · higher is better

GPT Image 1.5

Rank 29 of 108

MiniMax Image-01

Rank 82 of 108

Price per imagedollars through the API · lower is better

$0.13

GPT Image 1.5

expensive

n/a

MiniMax Image-01

no API price

Ranks among the 21 image models with an arena rating and the 108 with a GraduallyBench run; prices compared with 28 models with an API price.

GPT Image 1.5

Subscription: No OpenAI subscription includes this model. Through other providers from ≈ €6.36 a month (ElevenLabs Starter, with limited credits). 42 plans in Germany.
Via API: $0.13 per image, 100 images $13.30.

MiniMax Image-01

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.

Arena rating (LMArena) from Nov 6, 2026 · GraduallyBench from Nov 3, 2026 · API prices from Nov 6, 2026 · Subscription database from Sep 29, 2026 (38 days old)

All data side by side

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

Kennzahl	GPT Image 1.5	MiniMax Image-01
Ratings
Arena ratingfrom votes by users, higher is better	1,236	n/a
Arena rank	Rank 13 of 21	n/a
Arena votesmore votes, a safer rating	173,798	n/a
GraduallyBenchour own rating, 0 to 100	68	31
GraduallyBench by task
Typography and layoutLegible text, hierarchy, and composition	60	37
Product photographyMaterials, reflections, and fine details	52	30
Character and detailAnatomy, clothing, and spatial consistency	89	33
InfographicNumbers, labels, and visual organization	72	26
API price
Per imagelower is better	$0.13	n/a
100 images	$13.30	n/a
Profile
Released	December 2025	Feb 28, 2025
Weightsopen means: runs locally	proprietary	unknown
Lifecycle	Marked as deprecated by OpenAI; removed from the API on December 1, 2026	no notice
Access	API, Web app	API
Parameters	not published	not published
Largest output	1,536 × 1,024 pixels	not consistently published
Plans in Germanynaming exactly this model	42	n/a

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

Sources: GPT Image 1.5 model source, status source (verified Aug 15, 2026) · MiniMax Image-01 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 GPT Image 1.5 and MiniMax Image-01 from the same arena and category. Older model versions are not used as substitutes.

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