GPT Image 1.5vs.HUMAIN Image 1
Which one is better?
We have not tested HUMAIN Image 1 ourselves yet. HUMAIN Image 1 has no arena rating yet. HUMAIN Image 1 has no API price.
Same prompt, two images
Same task, the first image of each.
No image from the four fixed tasks for HUMAIN Image 1 yet.The product photo is archived. The provider rejected the other three fixed prompts without image output on November 1, 2026. This is not a complete GraduallyBench run.
Result for “Typography and layout”:only GPT Image 1.5 tested
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 HUMAIN Image 1
The product photo is archived. The provider rejected the other three fixed prompts without image output on November 1, 2026. This is not a complete GraduallyBench run. Revisit the rejected original prompts once the provider restriction is clarified. Do not substitute prompts or assign an overall score.
DocumentationTest 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.
Product photography
GPT Image 1.5: together, 1024x1024, n=1, seed=provider random, provider default steps, generated Aug 14, 2026, 12:16 PM. Source
HUMAIN Image 1: manual, 1:1, one request, first output (first top-left candidate of native batch), exact UI model HUMAIN Image 1, provider-default random seed, native resolution provider default, fast mode not offered, no reference images, no selected effects, default content settings, source UI file Firefly_Create a square premium product photograph of a brushed titanium wristwatch standing 760597.png, source 2048x2048, stored 1024x1024 (Lanczos3 downscale), generated Nov 1, 2026, 10:31 PM. Source
Protocol gradually-image-comparison-v1. Prompt SHA 256: c67fd71e91304458a2feef5c91efa8677260fab0c0099a29a2c52cb579f5b2f3
GPT Image 1.5 image SHA 256: 67cfa2f324447027ceb5f82e9446d40a1395b46ce425890a74606b4d97731cf6
HUMAIN Image 1 image SHA 256: 4d45419d95ecd756be5e28816ca0b3d376c491685225f3602a61ec45c1476fff
The numbers at a glance
GPT Image 1.5
Rank 13 of 22
HUMAIN Image 1
not in the arena
GPT Image 1.5
Rank 43 of 74
HUMAIN Image 1
not tested yet
GPT Image 1.5
expensive
HUMAIN Image 1
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.
GPT Image 1.5
- Subscription
- No OpenAI subscription includes this model. Through other providers from ≈ €6.39 a month (ElevenLabs Starter, with limited credits). 42 plans in Germany.
- Via API
- $0.13 per image, 100 images $13.30.
HUMAIN Image 1
- Subscription
- No HUMAIN subscription includes this model. Through other providers from €10.98 a month (Adobe Firefly Standard, with limited credits). 7 plans in Germany.
- Via API
- No API price known. Access: Web app.
- Weights
- unknown.
Subscriptions only count plans that name exactly this model. Subscription prices include VAT, API prices are in dollars.
Arena rating (LMArena) from Oct 28, 2026 · GraduallyBench from Nov 1, 2026 · API prices from Oct 28, 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 | GPT Image 1.5 | HUMAIN Image 1 |
|---|---|---|
| Ratings | ||
| Arena ratingfrom votes by users, higher is better | 1,236 | n/a |
| Arena rank | Rank 13 of 22 | n/a |
| Arena votesmore votes, a safer rating | 174,012 | n/a |
| GraduallyBenchour own rating, 0 to 100 | 54 | n/a |
| GraduallyBench by task | ||
| Typography and layoutLegible text, hierarchy, and composition | 58 | n/a |
| Product photographyMaterials, reflections, and fine details | 38 | n/a |
| Character and detailAnatomy, clothing, and spatial consistency | 64 | n/a |
| InfographicNumbers, labels, and visual organization | 56 | n/a |
| API price | ||
| Per imagelower is better | $0.13 | n/a |
| 100 images | $13.30 | n/a |
| Profile | ||
| Released | December 2025 | n/a |
| 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 | Web app |
| Parameters | not published | not published |
| Largest output | 1,536 × 1,024 pixels | not consistently published |
| Plans in Germanynaming exactly this model | 42 | 7 |
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) · HUMAIN Image 1 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 HUMAIN Image 1 from the same arena and category. Older model versions are not used as substitutes.
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